audio_coding: rename interface -> include

BUG=webrtc:5095
R=henrik.lundin@webrtc.org
TBR=tommi@webrtc.org

Review URL: https://codereview.webrtc.org/1417173004 .

Cr-Commit-Position: refs/heads/master@{#10444}
diff --git a/webrtc/modules/audio_coding/codecs/audio_decoder.h b/webrtc/modules/audio_coding/codecs/audio_decoder.h
index b277d4b..6189be0 100644
--- a/webrtc/modules/audio_coding/codecs/audio_decoder.h
+++ b/webrtc/modules/audio_coding/codecs/audio_decoder.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_INTERFACE_AUDIO_DECODER_H_
-#define WEBRTC_MODULES_AUDIO_CODING_NETEQ_INTERFACE_AUDIO_DECODER_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_INCLUDE_AUDIO_DECODER_H_
+#define WEBRTC_MODULES_AUDIO_CODING_NETEQ_INCLUDE_AUDIO_DECODER_H_
 
 #include <stdlib.h>  // NULL
 
@@ -120,4 +120,4 @@
 };
 
 }  // namespace webrtc
-#endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_INTERFACE_AUDIO_DECODER_H_
+#endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_INCLUDE_AUDIO_DECODER_H_
diff --git a/webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h b/webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h
index fe87fc9..35660c4 100644
--- a/webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h
+++ b/webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h
@@ -9,8 +9,8 @@
  */
 
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_CNG_MAIN_INTERFACE_WEBRTC_CNG_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_CNG_MAIN_INTERFACE_WEBRTC_CNG_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_CNG_MAIN_INCLUDE_WEBRTC_CNG_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_CNG_MAIN_INCLUDE_WEBRTC_CNG_H_
 
 #include <stddef.h>
 #include "webrtc/typedefs.h"
@@ -160,4 +160,4 @@
 }
 #endif
 
-#endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_CNG_MAIN_INTERFACE_WEBRTC_CNG_H_
+#endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_CNG_MAIN_INCLUDE_WEBRTC_CNG_H_
diff --git a/webrtc/modules/audio_coding/codecs/g711/include/g711_interface.h b/webrtc/modules/audio_coding/codecs/g711/include/g711_interface.h
index 9d67222..f9867f4 100644
--- a/webrtc/modules/audio_coding/codecs/g711/include/g711_interface.h
+++ b/webrtc/modules/audio_coding/codecs/g711/include/g711_interface.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef MODULES_AUDIO_CODING_CODECS_G711_MAIN_INTERFACE_G711_INTERFACE_H_
-#define MODULES_AUDIO_CODING_CODECS_G711_MAIN_INTERFACE_G711_INTERFACE_H_
+#ifndef MODULES_AUDIO_CODING_CODECS_G711_MAIN_INCLUDE_G711_INTERFACE_H_
+#define MODULES_AUDIO_CODING_CODECS_G711_MAIN_INCLUDE_G711_INTERFACE_H_
 
 #include "webrtc/typedefs.h"
 
@@ -132,4 +132,4 @@
 }
 #endif
 
-#endif /* MODULES_AUDIO_CODING_CODECS_G711_MAIN_INTERFACE_G711_INTERFACE_H_ */
+#endif /* MODULES_AUDIO_CODING_CODECS_G711_MAIN_INCLUDE_G711_INCLUDE_H_ */
diff --git a/webrtc/modules/audio_coding/codecs/g722/include/g722_interface.h b/webrtc/modules/audio_coding/codecs/g722/include/g722_interface.h
index e3133d6..5a46ef2 100644
--- a/webrtc/modules/audio_coding/codecs/g722/include/g722_interface.h
+++ b/webrtc/modules/audio_coding/codecs/g722/include/g722_interface.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef MODULES_AUDIO_CODING_CODECS_G722_MAIN_INTERFACE_G722_INTERFACE_H_
-#define MODULES_AUDIO_CODING_CODECS_G722_MAIN_INTERFACE_G722_INTERFACE_H_
+#ifndef MODULES_AUDIO_CODING_CODECS_G722_MAIN_INCLUDE_G722_INTERFACE_H_
+#define MODULES_AUDIO_CODING_CODECS_G722_MAIN_INCLUDE_G722_INTERFACE_H_
 
 #include "webrtc/typedefs.h"
 
@@ -179,4 +179,4 @@
 #endif
 
 
-#endif /* MODULES_AUDIO_CODING_CODECS_G722_MAIN_INTERFACE_G722_INTERFACE_H_ */
+#endif /* MODULES_AUDIO_CODING_CODECS_G722_MAIN_INCLUDE_G722_INCLUDE_H_ */
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.cc b/webrtc/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.cc
index 998e10d..ba6284f 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.cc
+++ b/webrtc/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.cc
@@ -8,10 +8,10 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/ilbc/interface/audio_decoder_ilbc.h"
+#include "webrtc/modules/audio_coding/codecs/ilbc/include/audio_decoder_ilbc.h"
 
 #include "webrtc/base/checks.h"
-#include "webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h"
+#include "webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h"
 
 namespace webrtc {
 
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.cc b/webrtc/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.cc
index e3d729f..065dc06 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.cc
+++ b/webrtc/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.cc
@@ -8,13 +8,13 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/ilbc/interface/audio_encoder_ilbc.h"
+#include "webrtc/modules/audio_coding/codecs/ilbc/include/audio_encoder_ilbc.h"
 
 #include <cstring>
 #include <limits>
 #include "webrtc/base/checks.h"
 #include "webrtc/common_types.h"
-#include "webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h"
+#include "webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h"
 
 namespace webrtc {
 
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/ilbc.gypi b/webrtc/modules/audio_coding/codecs/ilbc/ilbc.gypi
index ce43901..ac9f2e7 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/ilbc.gypi
+++ b/webrtc/modules/audio_coding/codecs/ilbc/ilbc.gypi
@@ -16,19 +16,19 @@
         'audio_encoder_interface',
       ],
       'include_dirs': [
-        'interface',
+        'include',
         '<(webrtc_root)',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
-          'interface',
+          'include',
           '<(webrtc_root)',
         ],
       },
       'sources': [
-        'interface/audio_decoder_ilbc.h',
-        'interface/audio_encoder_ilbc.h',
-        'interface/ilbc.h',
+        'include/audio_decoder_ilbc.h',
+        'include/audio_encoder_ilbc.h',
+        'include/ilbc.h',
         'abs_quant.c',
         'abs_quant_loop.c',
         'audio_decoder_ilbc.cc',
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/interface/audio_decoder_ilbc.h b/webrtc/modules/audio_coding/codecs/ilbc/include/audio_decoder_ilbc.h
similarity index 82%
rename from webrtc/modules/audio_coding/codecs/ilbc/interface/audio_decoder_ilbc.h
rename to webrtc/modules/audio_coding/codecs/ilbc/include/audio_decoder_ilbc.h
index a03a068..fd52da7 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/interface/audio_decoder_ilbc.h
+++ b/webrtc/modules/audio_coding/codecs/ilbc/include/audio_decoder_ilbc.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_DECODER_ILBC_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_DECODER_ILBC_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_AUDIO_DECODER_ILBC_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_AUDIO_DECODER_ILBC_H_
 
 #include "webrtc/modules/audio_coding/codecs/audio_decoder.h"
 
@@ -39,4 +39,4 @@
 };
 
 }  // namespace webrtc
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_DECODER_ILBC_H_
+#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_AUDIO_DECODER_ILBC_H_
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/interface/audio_encoder_ilbc.h b/webrtc/modules/audio_coding/codecs/ilbc/include/audio_encoder_ilbc.h
similarity index 86%
rename from webrtc/modules/audio_coding/codecs/ilbc/interface/audio_encoder_ilbc.h
rename to webrtc/modules/audio_coding/codecs/ilbc/include/audio_encoder_ilbc.h
index 0316d2d..2bb3101 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/interface/audio_encoder_ilbc.h
+++ b/webrtc/modules/audio_coding/codecs/ilbc/include/audio_encoder_ilbc.h
@@ -8,12 +8,12 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_AUDIO_ENCODER_ILBC_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_AUDIO_ENCODER_ILBC_H_
 
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/modules/audio_coding/codecs/audio_encoder.h"
-#include "webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h"
+#include "webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h"
 
 namespace webrtc {
 
@@ -60,4 +60,4 @@
 };
 
 }  // namespace webrtc
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_H_
+#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_AUDIO_ENCODER_ILBC_H_
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h b/webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h
similarity index 98%
rename from webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h
rename to webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h
index ba31f18..3be9142 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h
+++ b/webrtc/modules/audio_coding/codecs/ilbc/include/ilbc.h
@@ -15,8 +15,8 @@
  *
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_INTERFACE_ILBC_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_INTERFACE_ILBC_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_ILBC_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INCLUDE_ILBC_H_
 
 #include <stddef.h>
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t_impl.h b/webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t_impl.h
index 306574c..a986bc4 100644
--- a/webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t_impl.h
+++ b/webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t_impl.h
@@ -11,7 +11,7 @@
 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_AUDIO_DECODER_ISAC_T_IMPL_H_
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_AUDIO_DECODER_ISAC_T_IMPL_H_
 
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_decoder_isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_decoder_isac.h"
 
 #include "webrtc/base/checks.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h b/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h
index c7b1f20..279f80d 100644
--- a/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h
+++ b/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h
@@ -11,7 +11,7 @@
 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_AUDIO_ENCODER_ISAC_T_IMPL_H_
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_AUDIO_ENCODER_ISAC_T_IMPL_H_
 
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_encoder_isac.h"
 
 #include "webrtc/base/checks.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_decoder_isacfix.h b/webrtc/modules/audio_coding/codecs/isac/fix/include/audio_decoder_isacfix.h
similarity index 71%
rename from webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_decoder_isacfix.h
rename to webrtc/modules/audio_coding/codecs/isac/fix/include/audio_decoder_isacfix.h
index ed162a1..e78eb78 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_decoder_isacfix.h
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/include/audio_decoder_isacfix.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INTERFACE_AUDIO_DECODER_ISACFIX_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INTERFACE_AUDIO_DECODER_ISACFIX_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INCLUDE_AUDIO_DECODER_ISACFIX_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INCLUDE_AUDIO_DECODER_ISACFIX_H_
 
 #include "webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h"
 #include "webrtc/modules/audio_coding/codecs/isac/fix/source/isac_fix_type.h"
@@ -19,4 +19,4 @@
 using AudioDecoderIsacFix = AudioDecoderIsacT<IsacFix>;
 
 }  // namespace webrtc
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INTERFACE_AUDIO_DECODER_ISACFIX_H_
+#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INCLUDE_AUDIO_DECODER_ISACFIX_H_
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_encoder_isacfix.h b/webrtc/modules/audio_coding/codecs/isac/fix/include/audio_encoder_isacfix.h
similarity index 71%
rename from webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_encoder_isacfix.h
rename to webrtc/modules/audio_coding/codecs/isac/fix/include/audio_encoder_isacfix.h
index 00c0987..b97f04b 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_encoder_isacfix.h
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/include/audio_encoder_isacfix.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INTERFACE_AUDIO_ENCODER_ISACFIX_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INTERFACE_AUDIO_ENCODER_ISACFIX_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INCLUDE_AUDIO_ENCODER_ISACFIX_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INCLUDE_AUDIO_ENCODER_ISACFIX_H_
 
 #include "webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h"
 #include "webrtc/modules/audio_coding/codecs/isac/fix/source/isac_fix_type.h"
@@ -19,4 +19,4 @@
 using AudioEncoderIsacFix = AudioEncoderIsacT<IsacFix>;
 
 }  // namespace webrtc
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INTERFACE_AUDIO_ENCODER_ISACFIX_H_
+#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INCLUDE_AUDIO_ENCODER_ISACFIX_H_
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/interface/isacfix.h b/webrtc/modules/audio_coding/codecs/isac/fix/include/isacfix.h
similarity index 98%
rename from webrtc/modules/audio_coding/codecs/isac/fix/interface/isacfix.h
rename to webrtc/modules/audio_coding/codecs/isac/fix/include/isacfix.h
index 013ab7f..7f277ca 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/interface/isacfix.h
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/include/isacfix.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INTERFACE_ISACFIX_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INTERFACE_ISACFIX_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INCLUDE_ISACFIX_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INCLUDE_ISACFIX_H_
 
 #include <stddef.h>
 
@@ -634,4 +634,4 @@
 
 
 
-#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INTERFACE_ISACFIX_H_ */
+#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_INCLUDE_ISACFIX_H_ */
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_decoder_isacfix.cc b/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_decoder_isacfix.cc
index 8b4741b..45eefb9 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_decoder_isacfix.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_decoder_isacfix.cc
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_decoder_isacfix.h"
+#include "webrtc/modules/audio_coding/codecs/isac/fix/include/audio_decoder_isacfix.h"
 
 #include "webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t_impl.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc b/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc
index ad75ea8..257a8b5 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/source/audio_encoder_isacfix.cc
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_encoder_isacfix.h"
+#include "webrtc/modules/audio_coding/codecs/isac/fix/include/audio_encoder_isacfix.h"
 
 #include "webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/source/isac_fix_type.h b/webrtc/modules/audio_coding/codecs/isac/fix/source/isac_fix_type.h
index 69c73d6..d638531 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/source/isac_fix_type.h
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/source/isac_fix_type.h
@@ -12,7 +12,7 @@
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ISAC_FIX_TYPE_H_
 
 #include "webrtc/base/checks.h"
-#include "webrtc/modules/audio_coding/codecs/isac/fix/interface/isacfix.h"
+#include "webrtc/modules/audio_coding/codecs/isac/fix/include/isacfix.h"
 
 namespace webrtc {
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/source/isacfix.c b/webrtc/modules/audio_coding/codecs/isac/fix/source/isacfix.c
index ec1cdc6..aba3aa0 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/source/isacfix.c
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/source/isacfix.c
@@ -15,7 +15,7 @@
  *
  */
 
-#include "webrtc/modules/audio_coding/codecs/isac/fix/interface/isacfix.h"
+#include "webrtc/modules/audio_coding/codecs/isac/fix/include/isacfix.h"
 
 #include <assert.h>
 #include <stdlib.h>
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/test/isac_speed_test.cc b/webrtc/modules/audio_coding/codecs/isac/fix/test/isac_speed_test.cc
index adee337..632a4fe 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/test/isac_speed_test.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/test/isac_speed_test.cc
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/isac/fix/interface/isacfix.h"
+#include "webrtc/modules/audio_coding/codecs/isac/fix/include/isacfix.h"
 #include "webrtc/modules/audio_coding/codecs/isac/fix/source/settings.h"
 #include "webrtc/modules/audio_coding/codecs/tools/audio_codec_speed_test.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/fix/test/kenny.cc b/webrtc/modules/audio_coding/codecs/isac/fix/test/kenny.cc
index d0f508f..c61449a 100644
--- a/webrtc/modules/audio_coding/codecs/isac/fix/test/kenny.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/fix/test/kenny.cc
@@ -14,7 +14,7 @@
 #include <time.h>
 #include <ctype.h>
 
-#include "webrtc/modules/audio_coding/codecs/isac/fix/interface/isacfix.h"
+#include "webrtc/modules/audio_coding/codecs/isac/fix/include/isacfix.h"
 #include "webrtc/test/testsupport/perf_test.h"
 
 // TODO(kma): Clean up the code and change benchmarking the whole codec to
diff --git a/webrtc/modules/audio_coding/codecs/isac/isac.gypi b/webrtc/modules/audio_coding/codecs/isac/isac.gypi
index 354719f..55d7c31 100644
--- a/webrtc/modules/audio_coding/codecs/isac/isac.gypi
+++ b/webrtc/modules/audio_coding/codecs/isac/isac.gypi
@@ -18,19 +18,19 @@
         'isac_common',
       ],
       'include_dirs': [
-        'main/interface',
+        'main/include',
         '<(webrtc_root)',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
-          'main/interface',
+          'main/include',
           '<(webrtc_root)',
         ],
       },
       'sources': [
-        'main/interface/audio_decoder_isac.h',
-        'main/interface/audio_encoder_isac.h',
-        'main/interface/isac.h',
+        'main/include/audio_decoder_isac.h',
+        'main/include/audio_encoder_isac.h',
+        'main/include/isac.h',
         'main/source/arith_routines.c',
         'main/source/arith_routines_hist.c',
         'main/source/arith_routines_logist.c',
diff --git a/webrtc/modules/audio_coding/codecs/isac/isac_test.gypi b/webrtc/modules/audio_coding/codecs/isac/isac_test.gypi
index 4c4a604..47944b7 100644
--- a/webrtc/modules/audio_coding/codecs/isac/isac_test.gypi
+++ b/webrtc/modules/audio_coding/codecs/isac/isac_test.gypi
@@ -17,7 +17,7 @@
       ],
       'include_dirs': [
         './main/test',
-        './main/interface',
+        './main/include',
         './main/util',
         '<(webrtc_root)',
       ],
@@ -35,7 +35,7 @@
       ],
       'include_dirs': [
         './main/test',
-        './main/interface',
+        './main/include',
         './main/util',
         '<(webrtc_root)',
       ],
@@ -53,7 +53,7 @@
       ],
       'include_dirs': [
         './main/test',
-        './main/interface',
+        './main/include',
         '../../../../common_audio/signal_processing/include',
         './main/util',
         '<(webrtc_root)',
diff --git a/webrtc/modules/audio_coding/codecs/isac/isacfix.gypi b/webrtc/modules/audio_coding/codecs/isac/isacfix.gypi
index 4355fa9..f10de56 100644
--- a/webrtc/modules/audio_coding/codecs/isac/isacfix.gypi
+++ b/webrtc/modules/audio_coding/codecs/isac/isacfix.gypi
@@ -17,19 +17,19 @@
         'isac_common',
       ],
       'include_dirs': [
-        'fix/interface',
+        'fix/include',
         '<(webrtc_root)'
       ],
       'direct_dependent_settings': {
         'include_dirs': [
-          'fix/interface',
+          'fix/include',
           '<(webrtc_root)',
         ],
       },
       'sources': [
-        'fix/interface/audio_decoder_isacfix.h',
-        'fix/interface/audio_encoder_isacfix.h',
-        'fix/interface/isacfix.h',
+        'fix/include/audio_decoder_isacfix.h',
+        'fix/include/audio_encoder_isacfix.h',
+        'fix/include/isacfix.h',
         'fix/source/arith_routines.c',
         'fix/source/arith_routines_hist.c',
         'fix/source/arith_routines_logist.c',
diff --git a/webrtc/modules/audio_coding/codecs/isac/isacfix_test.gypi b/webrtc/modules/audio_coding/codecs/isac/isacfix_test.gypi
index b3306a5..7d9bc99 100644
--- a/webrtc/modules/audio_coding/codecs/isac/isacfix_test.gypi
+++ b/webrtc/modules/audio_coding/codecs/isac/isacfix_test.gypi
@@ -18,7 +18,7 @@
       ],
       'include_dirs': [
         './fix/test',
-        './fix/interface',
+        './fix/include',
         '<(webrtc_root)',
       ],
       'sources': [
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/interface/audio_decoder_isac.h b/webrtc/modules/audio_coding/codecs/isac/main/include/audio_decoder_isac.h
similarity index 72%
rename from webrtc/modules/audio_coding/codecs/isac/main/interface/audio_decoder_isac.h
rename to webrtc/modules/audio_coding/codecs/isac/main/include/audio_decoder_isac.h
index b224296..dcd4852 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/interface/audio_decoder_isac.h
+++ b/webrtc/modules/audio_coding/codecs/isac/main/include/audio_decoder_isac.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_AUDIO_DECODER_ISAC_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_AUDIO_DECODER_ISAC_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INCLUDE_AUDIO_DECODER_ISAC_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INCLUDE_AUDIO_DECODER_ISAC_H_
 
 #include "webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h"
 #include "webrtc/modules/audio_coding/codecs/isac/main/source/isac_float_type.h"
@@ -19,4 +19,4 @@
 using AudioDecoderIsac = AudioDecoderIsacT<IsacFloat>;
 
 }  // namespace webrtc
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_AUDIO_ENCODER_ISAC_H_
+#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INCLUDE_AUDIO_ENCODER_ISAC_H_
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h b/webrtc/modules/audio_coding/codecs/isac/main/include/audio_encoder_isac.h
similarity index 72%
rename from webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h
rename to webrtc/modules/audio_coding/codecs/isac/main/include/audio_encoder_isac.h
index f6ef7c4..cc8665d 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h
+++ b/webrtc/modules/audio_coding/codecs/isac/main/include/audio_encoder_isac.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_AUDIO_ENCODER_ISAC_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_AUDIO_ENCODER_ISAC_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INCLUDE_AUDIO_ENCODER_ISAC_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INCLUDE_AUDIO_ENCODER_ISAC_H_
 
 #include "webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h"
 #include "webrtc/modules/audio_coding/codecs/isac/main/source/isac_float_type.h"
@@ -19,4 +19,4 @@
 using AudioEncoderIsac = AudioEncoderIsacT<IsacFloat>;
 
 }  // namespace webrtc
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_AUDIO_ENCODER_ISAC_H_
+#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INCLUDE_AUDIO_ENCODER_ISAC_H_
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/interface/isac.h b/webrtc/modules/audio_coding/codecs/isac/main/include/isac.h
similarity index 98%
rename from webrtc/modules/audio_coding/codecs/isac/main/interface/isac.h
rename to webrtc/modules/audio_coding/codecs/isac/main/include/isac.h
index 1f5aeb3..327e7f4 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/interface/isac.h
+++ b/webrtc/modules/audio_coding/codecs/isac/main/include/isac.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_ISAC_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_ISAC_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INCLUDE_ISAC_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INCLUDE_ISAC_H_
 
 #include <stddef.h>
 
@@ -721,4 +721,4 @@
 
 
 
-#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_ISAC_H_ */
+#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INCLUDE_ISAC_H_ */
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc b/webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc
index 89879ad..8e0603e 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_decoder_isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_decoder_isac.h"
 
 #include "webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t_impl.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac.cc b/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac.cc
index c72af30..64b9815 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac.cc
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_encoder_isac.h"
 
 #include "webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac_unittest.cc b/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac_unittest.cc
index ff941ea..6208095 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac_unittest.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/audio_encoder_isac_unittest.cc
@@ -11,7 +11,7 @@
 #include <limits>
 
 #include "testing/gtest/include/gtest/gtest.h"
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_encoder_isac.h"
 
 namespace webrtc {
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/isac.c b/webrtc/modules/audio_coding/codecs/isac/main/source/isac.c
index bc15651..875e7ac 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/isac.c
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/isac.c
@@ -15,7 +15,7 @@
  *
  */
 
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/isac.h"
 
 #include <assert.h>
 #include <math.h>
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/isac_float_type.h b/webrtc/modules/audio_coding/codecs/isac/main/source/isac_float_type.h
index 0335548..e150d39 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/isac_float_type.h
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/isac_float_type.h
@@ -11,7 +11,7 @@
 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_ISAC_FLOAT_TYPE_H_
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_ISAC_FLOAT_TYPE_H_
 
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/isac.h"
 
 namespace webrtc {
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc b/webrtc/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc
index 84c712e..6991f90 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc
@@ -10,7 +10,7 @@
 #include <string>
 
 #include "testing/gtest/include/gtest/gtest.h"
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/isac.h"
 #include "webrtc/test/testsupport/fileutils.h"
 
 struct WebRtcISACStruct;
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/structs.h b/webrtc/modules/audio_coding/codecs/isac/main/source/structs.h
index 7e2cf85..a2cdca2 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/structs.h
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/structs.h
@@ -19,7 +19,7 @@
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_SOURCE_STRUCTS_H_
 
 #include "webrtc/modules/audio_coding/codecs/isac/bandwidth_info.h"
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/isac.h"
 #include "webrtc/modules/audio_coding/codecs/isac/main/source/settings.h"
 #include "webrtc/typedefs.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/isac/unittest.cc b/webrtc/modules/audio_coding/codecs/isac/unittest.cc
index 673d290..890397e 100644
--- a/webrtc/modules/audio_coding/codecs/isac/unittest.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/unittest.cc
@@ -15,8 +15,8 @@
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/base/buffer.h"
-#include "webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_encoder_isacfix.h"
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h"
+#include "webrtc/modules/audio_coding/codecs/isac/fix/include/audio_encoder_isacfix.h"
+#include "webrtc/modules/audio_coding/codecs/isac/main/include/audio_encoder_isac.h"
 #include "webrtc/modules/audio_coding/neteq/tools/input_audio_file.h"
 #include "webrtc/test/testsupport/fileutils.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.cc b/webrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.cc
index 7151ab0..d1390e2 100644
--- a/webrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/audio_decoder_opus.cc
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/opus/interface/audio_decoder_opus.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/audio_decoder_opus.h"
 
 #include "webrtc/base/checks.h"
 
diff --git a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
index d47236c..eac7412 100644
--- a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
@@ -8,12 +8,12 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/opus/interface/audio_encoder_opus.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/audio_encoder_opus.h"
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/safe_conversions.h"
 #include "webrtc/common_types.h"
-#include "webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h"
 
 namespace webrtc {
 
diff --git a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
index 64742ee..e69f259 100644
--- a/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
@@ -12,7 +12,7 @@
 #include "webrtc/base/checks.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/common_types.h"
-#include "webrtc/modules/audio_coding/codecs/opus/interface/audio_encoder_opus.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/audio_encoder_opus.h"
 
 namespace webrtc {
 
diff --git a/webrtc/modules/audio_coding/codecs/opus/interface/audio_decoder_opus.h b/webrtc/modules/audio_coding/codecs/opus/include/audio_decoder_opus.h
similarity index 83%
rename from webrtc/modules/audio_coding/codecs/opus/interface/audio_decoder_opus.h
rename to webrtc/modules/audio_coding/codecs/opus/include/audio_decoder_opus.h
index d28113b..6b0a88ae 100644
--- a/webrtc/modules/audio_coding/codecs/opus/interface/audio_decoder_opus.h
+++ b/webrtc/modules/audio_coding/codecs/opus/include/audio_decoder_opus.h
@@ -8,11 +8,11 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_AUDIO_DECODER_OPUS_H
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_AUDIO_DECODER_OPUS_H
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INCLUDE_AUDIO_DECODER_OPUS_H
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INCLUDE_AUDIO_DECODER_OPUS_H
 
 #include "webrtc/modules/audio_coding/codecs/audio_decoder.h"
-#include "webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h"
 
 namespace webrtc {
 
@@ -48,4 +48,4 @@
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_AUDIO_DECODER_OPUS_H
+#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INCLUDE_AUDIO_DECODER_OPUS_H
diff --git a/webrtc/modules/audio_coding/codecs/opus/interface/audio_encoder_opus.h b/webrtc/modules/audio_coding/codecs/opus/include/audio_encoder_opus.h
similarity index 90%
rename from webrtc/modules/audio_coding/codecs/opus/interface/audio_encoder_opus.h
rename to webrtc/modules/audio_coding/codecs/opus/include/audio_encoder_opus.h
index 9659a2b..7f2b563 100644
--- a/webrtc/modules/audio_coding/codecs/opus/interface/audio_encoder_opus.h
+++ b/webrtc/modules/audio_coding/codecs/opus/include/audio_encoder_opus.h
@@ -8,13 +8,13 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_AUDIO_ENCODER_OPUS_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_AUDIO_ENCODER_OPUS_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INCLUDE_AUDIO_ENCODER_OPUS_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INCLUDE_AUDIO_ENCODER_OPUS_H_
 
 #include <vector>
 
 #include "webrtc/base/constructormagic.h"
-#include "webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h"
 #include "webrtc/modules/audio_coding/codecs/audio_encoder.h"
 
 namespace webrtc {
@@ -99,4 +99,4 @@
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_AUDIO_ENCODER_OPUS_H_
+#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INCLUDE_AUDIO_ENCODER_OPUS_H_
diff --git a/webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h b/webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h
similarity index 97%
rename from webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h
rename to webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h
index 9c09ae8..50b2338 100644
--- a/webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h
+++ b/webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_OPUS_INTERFACE_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_OPUS_INTERFACE_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INCLUDE_OPUS_INTERFACE_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INCLUDE_OPUS_INTERFACE_H_
 
 #include <stddef.h>
 
@@ -346,4 +346,4 @@
 }  // extern "C"
 #endif
 
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INTERFACE_OPUS_INTERFACE_H_
+#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_INCLUDE_OPUS_INCLUDE_H_
diff --git a/webrtc/modules/audio_coding/codecs/opus/opus.gypi b/webrtc/modules/audio_coding/codecs/opus/opus.gypi
index 5a420b4..05da3e5 100644
--- a/webrtc/modules/audio_coding/codecs/opus/opus.gypi
+++ b/webrtc/modules/audio_coding/codecs/opus/opus.gypi
@@ -45,9 +45,9 @@
       'sources': [
         'audio_decoder_opus.cc',
         'audio_encoder_opus.cc',
-        'interface/audio_decoder_opus.h',
-        'interface/audio_encoder_opus.h',
-        'interface/opus_interface.h',
+        'include/audio_decoder_opus.h',
+        'include/audio_encoder_opus.h',
+        'include/opus_interface.h',
         'opus_inst.h',
         'opus_interface.c',
       ],
diff --git a/webrtc/modules/audio_coding/codecs/opus/opus_fec_test.cc b/webrtc/modules/audio_coding/codecs/opus/opus_fec_test.cc
index c86fab7..f257210 100644
--- a/webrtc/modules/audio_coding/codecs/opus/opus_fec_test.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/opus_fec_test.cc
@@ -10,7 +10,7 @@
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/base/scoped_ptr.h"
-#include "webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h"
 #include "webrtc/test/testsupport/fileutils.h"
 
 using ::std::string;
diff --git a/webrtc/modules/audio_coding/codecs/opus/opus_interface.c b/webrtc/modules/audio_coding/codecs/opus/opus_interface.c
index 2ac5373..1a63242 100644
--- a/webrtc/modules/audio_coding/codecs/opus/opus_interface.c
+++ b/webrtc/modules/audio_coding/codecs/opus/opus_interface.c
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h"
 #include "webrtc/modules/audio_coding/codecs/opus/opus_inst.h"
 
 #include <stdlib.h>
diff --git a/webrtc/modules/audio_coding/codecs/opus/opus_speed_test.cc b/webrtc/modules/audio_coding/codecs/opus/opus_speed_test.cc
index 926bcaf..29def14 100644
--- a/webrtc/modules/audio_coding/codecs/opus/opus_speed_test.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/opus_speed_test.cc
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h"
 #include "webrtc/modules/audio_coding/codecs/tools/audio_codec_speed_test.h"
 
 using ::std::string;
diff --git a/webrtc/modules/audio_coding/codecs/opus/opus_unittest.cc b/webrtc/modules/audio_coding/codecs/opus/opus_unittest.cc
index db622a7..4630e44 100644
--- a/webrtc/modules/audio_coding/codecs/opus/opus_unittest.cc
+++ b/webrtc/modules/audio_coding/codecs/opus/opus_unittest.cc
@@ -10,7 +10,7 @@
 #include <string>
 
 #include "testing/gtest/include/gtest/gtest.h"
-#include "webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h"
+#include "webrtc/modules/audio_coding/codecs/opus/include/opus_interface.h"
 #include "webrtc/modules/audio_coding/codecs/opus/opus_inst.h"
 #include "webrtc/modules/audio_coding/neteq/tools/audio_loop.h"
 #include "webrtc/test/testsupport/fileutils.h"
diff --git a/webrtc/modules/audio_coding/codecs/pcm16b/include/pcm16b.h b/webrtc/modules/audio_coding/codecs/pcm16b/include/pcm16b.h
index d65d08a..d86a65d 100644
--- a/webrtc/modules/audio_coding/codecs/pcm16b/include/pcm16b.h
+++ b/webrtc/modules/audio_coding/codecs/pcm16b/include/pcm16b.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INTERFACE_PCM16B_H_
+#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INCLUDE_PCM16B_H_
+#define WEBRTC_MODULES_AUDIO_CODING_CODECS_PCM16B_MAIN_INCLUDE_PCM16B_H_
 /*
  * Define the fixpoint numeric formats
  */