Add RTC_ prefix to (D)CHECKs and related macros.

talk/app/webrtc/java/jni/native_handle_impl.h

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 48 matching lines @@
  public:
   JniNativeHandleBuffer(void* native_handle, int width, int height)
       : NativeHandleBuffer(native_handle, width, height) {}
 
   // TODO(pbos): Override destructor to release native handle, at the moment the
   // native handle is not released based on refcount.
 
  private:
   rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() override {
     // TODO(pbos): Implement before using this in the encoder pipeline (or
-    // remove the CHECK() in VideoCapture).
+    // remove the RTC_CHECK() in VideoCapture).
     RTC_NOTREACHED();
     return nullptr;
   }
 };
 
 }  // namespace webrtc_jni
 
 #endif  // TALK_APP_WEBRTC_JAVA_JNI_NATIVE_HANDLE_IMPL_H_