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

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

Index: third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h
diff --git a/third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h b/third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h
index 4bc2b0f068069b4738eb3f00fcfd9f1cd64c2163..408bbf6443245a8f6f9e1ce03406c2b4a97559f4 100644
--- a/third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h
+++ b/third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.h
@@ -211,7 +211,14 @@ class MODULES_EXPORT RTCPeerConnection final
   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> {