Record user interactions with MediaSession by action type

content/browser/media/session/media_session_impl_service_routing_unittest.cc

Index: content/browser/media/session/media_session_impl_service_routing_unittest.cc
diff --git a/content/browser/media/session/media_session_impl_service_routing_unittest.cc b/content/browser/media/session/media_session_impl_service_routing_unittest.cc
index 422897babf8715c9ecb0bb7a24e04bc5781ad793..66853387d6e10ab7b2ff3ad7855ce84a9dc89760 100644
--- a/content/browser/media/session/media_session_impl_service_routing_unittest.cc
+++ b/content/browser/media/session/media_session_impl_service_routing_unittest.cc
@@ -65,7 +65,7 @@ class MockMediaSessionPlayerObserver : public MediaSessionPlayerObserver {
   MOCK_METHOD2(OnSetVolumeMultiplier,
                void(int player_id, double volume_multiplier));
 
-  RenderFrameHost* GetRenderFrameHost() const override {
+  RenderFrameHost* render_frame_host() const override {
     return render_frame_host_;
   }
 
@@ -89,10 +89,6 @@ class MediaSessionImplServiceRoutingTest
         MediaSessionImpl::Get(contents())));
     main_frame_ = contents()->GetMainFrame();
     sub_frame_ = main_frame_->AppendChild("sub_frame");
-
-    player_in_main_frame_.reset(
-        new MockMediaSessionPlayerObserver(main_frame_));
-    player_in_sub_frame_.reset(new MockMediaSessionPlayerObserver(sub_frame_));
   }
 
   void TearDown() override {
@@ -154,9 +150,6 @@ class MediaSessionImplServiceRoutingTest
   TestRenderFrameHost* main_frame_;
   TestRenderFrameHost* sub_frame_;
 
-  std::unique_ptr<MockMediaSessionPlayerObserver> player_in_main_frame_;
-  std::unique_ptr<MockMediaSessionPlayerObserver> player_in_sub_frame_;
-
   std::unique_ptr<MockMediaSessionObserver> mock_media_session_observer_;
 
   using ServiceMap = std::map<TestRenderFrameHost*,