Convert MediaWebContentsObsever to be the client of WakeLock mojo interface.

content/browser/web_contents/web_contents_impl_unittest.cc

Index: content/browser/web_contents/web_contents_impl_unittest.cc
diff --git a/content/browser/web_contents/web_contents_impl_unittest.cc b/content/browser/web_contents/web_contents_impl_unittest.cc
index 36ce1924d1dbcfd1388a83d87c375011be32f515..1eda27565a29aaec4708c4c0bdbb119436eff283 100644
--- a/content/browser/web_contents/web_contents_impl_unittest.cc
+++ b/content/browser/web_contents/web_contents_impl_unittest.cc
@@ -257,16 +257,16 @@ class WebContentsImplTest : public RenderViewHostImplTestHarness {
     RenderViewHostImplTestHarness::TearDown();
   }
 
-  bool has_audio_power_save_blocker() {
+  bool has_audio_wake_lock() {
     return contents()
         ->media_web_contents_observer()
-        ->has_audio_power_save_blocker_for_testing();
+        ->has_audio_wake_lock_for_testing();
   }
 
-  bool has_video_power_save_blocker() {
+  bool has_video_wake_lock() {
     return contents()
         ->media_web_contents_observer()
-        ->has_video_power_save_blocker_for_testing();
+        ->has_video_wake_lock_for_testing();
   }
 };
 
@@ -3214,15 +3214,15 @@ TEST_F(WebContentsImplTest, NoEarlyStop) {
   EXPECT_FALSE(contents()->IsLoading());
 }
 
-TEST_F(WebContentsImplTest, MediaPowerSaveBlocking) {
+TEST_F(WebContentsImplTest, MediaWakeLock) {
   // Verify that both negative and positive player ids don't blow up.
   const int kPlayerAudioVideoId = 15;
   const int kPlayerAudioOnlyId = -15;
   const int kPlayerVideoOnlyId = 30;
   const int kPlayerRemoteId = -30;
 
-  EXPECT_FALSE(has_audio_power_save_blocker());
-  EXPECT_FALSE(has_video_power_save_blocker());
+  EXPECT_FALSE(has_audio_wake_lock());
+  EXPECT_FALSE(has_video_wake_lock());
 
   TestRenderFrameHost* rfh = main_test_rfh();
   AudioStreamMonitor* monitor = contents()->audio_stream_monitor();
@@ -3230,100 +3230,100 @@ TEST_F(WebContentsImplTest, MediaPowerSaveBlocking) {
   // Ensure RenderFrame is initialized before simulating events coming from it.
   main_test_rfh()->InitializeRenderFrameIfNeeded();
 
-  // Send a fake audio stream monitor notification.  The audio power save
-  // blocker should be created.
+  // Send a fake audio stream monitor notification.  The audio wake lock
+  // should be created.
   monitor->set_was_recently_audible_for_testing(true);
   contents()->NotifyNavigationStateChanged(INVALIDATE_TYPE_TAB);
-  EXPECT_TRUE(has_audio_power_save_blocker());
+  EXPECT_TRUE(has_audio_wake_lock());
 
   // Send another fake notification, this time when WasRecentlyAudible() will
-  // be false.  The power save blocker should be released.
+  // be false.  The wake lock should be released.
   monitor->set_was_recently_audible_for_testing(false);
   contents()->NotifyNavigationStateChanged(INVALIDATE_TYPE_TAB);
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_FALSE(has_audio_wake_lock());
 
-  // Start a player with both audio and video.  A video power save blocker
+  // Start a player with both audio and video.  A video wake lock
   // should be created.  If audio stream monitoring is available, an audio power
   // save blocker should be created too.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerAudioVideoId, true, true, false,
       media::MediaContentType::Persistent));
-  EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_TRUE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 
-  // Upon hiding the video power save blocker should be released.
+  // Upon hiding the video wake lock should be released.
   contents()->WasHidden();
-  EXPECT_FALSE(has_video_power_save_blocker());
+  EXPECT_FALSE(has_video_wake_lock());
 
   // Start another player that only has video.  There should be no change in
-  // the power save blockers.  The notification should take into account the
+  // the wake locks.  The notification should take into account the
   // visibility state of the WebContents.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerVideoOnlyId, true, false, false,
       media::MediaContentType::Persistent));
-  EXPECT_FALSE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_FALSE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 
   // Showing the WebContents should result in the creation of the blocker.
   contents()->WasShown();
-  EXPECT_TRUE(has_video_power_save_blocker());
+  EXPECT_TRUE(has_video_wake_lock());
 
   // Start another player that only has audio.  There should be no change in
-  // the power save blockers.
+  // the wake locks.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerAudioOnlyId, false, true, false,
       media::MediaContentType::Persistent));
-  EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_TRUE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 
   // Start a remote player. There should be no change in the power save
   // blockers.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerRemoteId, true, true, true,
       media::MediaContentType::Persistent));
-  EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_TRUE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 
-  // Destroy the original audio video player.  Both power save blockers should
+  // Destroy the original audio video player.  Both wake locks should
   // remain.
   rfh->OnMessageReceived(
       MediaPlayerDelegateHostMsg_OnMediaPaused(0, kPlayerAudioVideoId, false));
-  EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_TRUE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 
-  // Destroy the audio only player.  The video power save blocker should remain.
+  // Destroy the audio only player.  The video wake lock should remain.
   rfh->OnMessageReceived(
       MediaPlayerDelegateHostMsg_OnMediaPaused(0, kPlayerAudioOnlyId, false));
-  EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_TRUE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 
-  // Destroy the video only player.  No power save blockers should remain.
+  // Destroy the video only player.  No wake locks should remain.
   rfh->OnMessageReceived(
       MediaPlayerDelegateHostMsg_OnMediaPaused(0, kPlayerVideoOnlyId, false));
-  EXPECT_FALSE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_FALSE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 
-  // Destroy the remote player. No power save blockers should remain.
+  // Destroy the remote player. No wake locks should remain.
   rfh->OnMessageReceived(
       MediaPlayerDelegateHostMsg_OnMediaPaused(0, kPlayerRemoteId, false));
-  EXPECT_FALSE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_FALSE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 
-  // Start a player with both audio and video.  A video power save blocker
+  // Start a player with both audio and video.  A video wake lock
   // should be created.  If audio stream monitoring is available, an audio power
   // save blocker should be created too.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerAudioVideoId, true, true, false,
       media::MediaContentType::Persistent));
-  EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  EXPECT_TRUE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 
   // Crash the renderer.
   main_test_rfh()->GetProcess()->SimulateCrash();
 
-  // Verify that all the power save blockers have been released.
-  EXPECT_FALSE(has_video_power_save_blocker());
-  EXPECT_FALSE(has_audio_power_save_blocker());
+  // Verify that all the wake locks have been released.
+  EXPECT_FALSE(has_video_wake_lock());
+  EXPECT_FALSE(has_audio_wake_lock());
 }
 
 TEST_F(WebContentsImplTest, ThemeColorChangeDependingOnFirstVisiblePaint) {