Fixing WebRTC after moving from src/webrtc to src/

In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC
from src/webrtc to src/ (in order to preserve an healthy git history).
This CL takes care of fixing header guards, #include paths, etc...

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org


Bug: chromium:611808
Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578
Reviewed-on: https://webrtc-review.googlesource.com/1561
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19846}
diff --git a/sdk/objc/Framework/Classes/Common/RTCFieldTrials.mm b/sdk/objc/Framework/Classes/Common/RTCFieldTrials.mm
index 854bc7c..c95bcb4 100644
--- a/sdk/objc/Framework/Classes/Common/RTCFieldTrials.mm
+++ b/sdk/objc/Framework/Classes/Common/RTCFieldTrials.mm
@@ -17,7 +17,7 @@
 // Adding 'nogncheck' to disable the gn include headers check.
 // We don't want to depend on 'system_wrappers:field_trial_default' because
 // clients should be able to provide their own implementation.
-#include "webrtc/system_wrappers/include/field_trial_default.h"  // nogncheck
+#include "system_wrappers/include/field_trial_default.h"  // nogncheck
 
 NSString * const kRTCFieldTrialAudioSendSideBweKey = @"WebRTC-Audio-SendSideBwe";
 NSString * const kRTCFieldTrialSendSideBweWithOverheadKey = @"WebRTC-SendSideBwe-WithOverhead";
diff --git a/sdk/objc/Framework/Classes/Common/RTCFileLogger.mm b/sdk/objc/Framework/Classes/Common/RTCFileLogger.mm
index 75d0621..afe61a8 100644
--- a/sdk/objc/Framework/Classes/Common/RTCFileLogger.mm
+++ b/sdk/objc/Framework/Classes/Common/RTCFileLogger.mm
@@ -12,10 +12,10 @@
 
 #include <memory>
 
-#include "webrtc/rtc_base/checks.h"
-#include "webrtc/rtc_base/filerotatingstream.h"
-#include "webrtc/rtc_base/logging.h"
-#include "webrtc/rtc_base/logsinks.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/filerotatingstream.h"
+#include "rtc_base/logging.h"
+#include "rtc_base/logsinks.h"
 
 NSString *const kDefaultLogDirName = @"webrtc_logs";
 NSUInteger const kDefaultMaxFileSize = 10 * 1024 * 1024; // 10MB.
diff --git a/sdk/objc/Framework/Classes/Common/RTCLogging.mm b/sdk/objc/Framework/Classes/Common/RTCLogging.mm
index 7b8ca0a..cdb6b18 100644
--- a/sdk/objc/Framework/Classes/Common/RTCLogging.mm
+++ b/sdk/objc/Framework/Classes/Common/RTCLogging.mm
@@ -10,7 +10,7 @@
 
 #import "WebRTC/RTCLogging.h"
 
-#include "webrtc/rtc_base/logging.h"
+#include "rtc_base/logging.h"
 
 rtc::LoggingSeverity RTCGetNativeLoggingSeverity(RTCLoggingSeverity severity) {
   switch (severity) {
diff --git a/sdk/objc/Framework/Classes/Common/RTCUIApplicationStatusObserver.m b/sdk/objc/Framework/Classes/Common/RTCUIApplicationStatusObserver.m
index 7134773..37554e7 100644
--- a/sdk/objc/Framework/Classes/Common/RTCUIApplicationStatusObserver.m
+++ b/sdk/objc/Framework/Classes/Common/RTCUIApplicationStatusObserver.m
@@ -14,7 +14,7 @@
 
 #import <UIKit/UIKit.h>
 
-#include "webrtc/rtc_base/checks.h"
+#include "rtc_base/checks.h"
 
 @interface RTCUIApplicationStatusObserver ()
 
diff --git a/sdk/objc/Framework/Classes/Common/helpers.h b/sdk/objc/Framework/Classes/Common/helpers.h
index fdcd9cc..ca56d51 100644
--- a/sdk/objc/Framework/Classes/Common/helpers.h
+++ b/sdk/objc/Framework/Classes/Common/helpers.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COMMON_HELPERS_H_
-#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COMMON_HELPERS_H_
+#ifndef SDK_OBJC_FRAMEWORK_CLASSES_COMMON_HELPERS_H_
+#define SDK_OBJC_FRAMEWORK_CLASSES_COMMON_HELPERS_H_
 
 #include <string>
 
@@ -73,4 +73,4 @@
 }  // namespace ios
 }  // namespace webrtc
 
-#endif  // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COMMON_HELPERS_H_
+#endif  // SDK_OBJC_FRAMEWORK_CLASSES_COMMON_HELPERS_H_
diff --git a/sdk/objc/Framework/Classes/Common/helpers.mm b/sdk/objc/Framework/Classes/Common/helpers.mm
index 6b44c59..4afa15d 100644
--- a/sdk/objc/Framework/Classes/Common/helpers.mm
+++ b/sdk/objc/Framework/Classes/Common/helpers.mm
@@ -17,9 +17,9 @@
 
 #include <memory>
 
-#include "webrtc/rtc_base/checks.h"
-#include "webrtc/rtc_base/logging.h"
-#include "webrtc/sdk/objc/Framework/Classes/Common/helpers.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/logging.h"
+#include "sdk/objc/Framework/Classes/Common/helpers.h"
 
 namespace webrtc {
 namespace ios {