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

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

Index: talk/app/webrtc/java/jni/native_handle_impl.h
diff --git a/talk/app/webrtc/java/jni/native_handle_impl.h b/talk/app/webrtc/java/jni/native_handle_impl.h
index cdb72ff4d59f3eead9a52b3687e92110f6060951..68b213bf538a0524ed9b2fa936a5c4cc4a182db6 100644
--- a/talk/app/webrtc/java/jni/native_handle_impl.h
+++ b/talk/app/webrtc/java/jni/native_handle_impl.h
@@ -66,7 +66,7 @@ class JniNativeHandleBuffer : public webrtc::NativeHandleBuffer {
  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;
   }