Switch to using an explicit ended signal instead of time comparison.

media/blink/webmediaplayer_impl_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/blink/webmediaplayer_impl.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 34 matching lines @@
   return 0;
 }
 
 class DummyWebMediaPlayerClient : public blink::WebMediaPlayerClient {
  public:
   DummyWebMediaPlayerClient() {}
 
   // blink::WebMediaPlayerClient implementation.
   void networkStateChanged() override {}
   void readyStateChanged() override {}
-  void timeChanged() override {}
+  void timeChanged(bool) override {}
   void repaint() override {}
   void durationChanged() override {}
   void sizeChanged() override {}
   void playbackStateChanged() override {}
   void setWebLayer(blink::WebLayer*) override {}
   blink::WebMediaPlayer::TrackId addAudioTrack(
       const blink::WebString& id,
       blink::WebMediaPlayerClient::AudioTrackKind,
       const blink::WebString& label,
       const blink::WebString& language,
@@ skipping 581 matching lines @@
   EXPECT_CALL(delegate_, IsPlayingBackgroundVideo()).WillOnce(Return(false));
   EXPECT_CALL(delegate_, IsHidden()).WillRepeatedly(Return(true));
 
   state = ComputeBackgroundedPlayState();
   EXPECT_EQ(WebMediaPlayerImpl::DelegateState::PAUSED, state.delegate_state);
   EXPECT_FALSE(state.is_memory_reporting_enabled);
   EXPECT_TRUE(state.is_suspended);
 }
 
 }  // namespace media