Add RTC_ prefix to contructormagic macros.

talk/media/devices/filevideocapturer.h

Index: talk/media/devices/filevideocapturer.h
diff --git a/talk/media/devices/filevideocapturer.h b/talk/media/devices/filevideocapturer.h
index 101b9b9deafe82d1a679ebc718528d10ca1567fe..3ef82efed1044e389db36cc60a5a596fa9b3baaa 100644
--- a/talk/media/devices/filevideocapturer.h
+++ b/talk/media/devices/filevideocapturer.h
@@ -71,7 +71,7 @@ class VideoRecorder {
   rtc::FileStream video_file_;
   bool write_header_;
 
-  DISALLOW_COPY_AND_ASSIGN(VideoRecorder);
+  RTC_DISALLOW_COPY_AND_ASSIGN(VideoRecorder);
 };
 
 // Simulated video capturer that periodically reads frames from a file.
@@ -153,7 +153,7 @@ class FileVideoCapturer : public VideoCapturer {
   int64 last_frame_timestamp_ns_;  // Timestamp of last read frame.
   bool ignore_framerate_;
 
-  DISALLOW_COPY_AND_ASSIGN(FileVideoCapturer);
+  RTC_DISALLOW_COPY_AND_ASSIGN(FileVideoCapturer);
 };
 
 }  // namespace cricket