Remove AudioCodingModule::Process()

An earlier change moved the encoding work from Process to
Add10MsData; process was just a no-op.

BUG=3520
COAUTHOR=kwiberg@webrtc.org
R=henrika@webrtc.org, minyue@webrtc.org, tina.legrand@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/43439004

Cr-Commit-Position: refs/heads/master@{#8553}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8553 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_coding/main/test/EncodeDecodeTest.cc b/webrtc/modules/audio_coding/main/test/EncodeDecodeTest.cc
index eff458b..b785cc3 100644
--- a/webrtc/modules/audio_coding/main/test/EncodeDecodeTest.cc
+++ b/webrtc/modules/audio_coding/main/test/EncodeDecodeTest.cc
@@ -100,11 +100,8 @@
   if (!_pcmFile.EndOfFile()) {
     EXPECT_GT(_pcmFile.Read10MsData(_audioFrame), 0);
     int32_t ok = _acm->Add10MsData(_audioFrame);
-    EXPECT_EQ(0, ok);
-    if (ok != 0) {
-      return false;
-    }
-    return true;
+    EXPECT_GE(ok, 0);
+    return ok >= 0 ? true : false;
   }
   return false;
 }
@@ -114,7 +111,6 @@
     if (!Add10MsData()) {
       break;
     }
-    EXPECT_GT(_acm->Process(), -1);
   }
 }