Make hbos per-file OWNER of *webrtc*browsertest* in chrome/browser/media/webrtc.

third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * 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
@@ skipping 193 matching lines @@
   void Resume() override;
   void ContextDestroyed(ExecutionContext*) override;
 
   // ScriptWrappable
   // We keep the this object alive until either stopped or closed.
   bool HasPendingActivity() const final { return !closed_ && !stopped_; }
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
-  friend class RTCPeerConnectionTest;
+  FRIEND_TEST_ALL_PREFIXES(RTCPeerConnectionTest, GetAudioTrack);
+  FRIEND_TEST_ALL_PREFIXES(RTCPeerConnectionTest, GetVideoTrack);
+  FRIEND_TEST_ALL_PREFIXES(RTCPeerConnectionTest, GetAudioAndVideoTrack);
+  FRIEND_TEST_ALL_PREFIXES(RTCPeerConnectionTest, GetTrackRemoveStreamAndGCAll);
+  FRIEND_TEST_ALL_PREFIXES(RTCPeerConnectionTest,
+                           GetTrackRemoveStreamAndGCWithPersistentComponent);
+  FRIEND_TEST_ALL_PREFIXES(RTCPeerConnectionTest,
+                           GetTrackRemoveStreamAndGCWithPersistentStream);
 
   typedef Function<bool()> BoolFunction;
   class EventWrapper : public GarbageCollectedFinalized<EventWrapper> {
    public:
     EventWrapper(Event*, std::unique_ptr<BoolFunction>);
     // Returns true if |m_setupFunction| returns true or it is null.
     // |m_event| will only be fired if setup() returns true;
     bool Setup();
 
     DECLARE_TRACE();
@@ skipping 63 matching lines @@
 
   bool stopped_;
   bool closed_;
 
   bool has_data_channels_;  // For RAPPOR metrics
 };
 
 }  // namespace blink
 
 #endif  // RTCPeerConnection_h