fix canplaythrough

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 237 matching lines @@
   }
 
  protected:
   void SetReadyState(blink::WebMediaPlayer::ReadyState state) {
     wmpi_->SetReadyState(state);
   }
 
   void SetPaused(bool is_paused) { wmpi_->paused_ = is_paused; }
   void SetSeeking(bool is_seeking) { wmpi_->seeking_ = is_seeking; }
   void SetEnded(bool is_ended) { wmpi_->ended_ = is_ended; }
-  void SetTickClock(base::TickClock* clock) { wmpi_->tick_clock_.reset(clock); }
+  void SetTickClock(base::TickClock* clock) {
+    wmpi_->SetTickClockForTest(clock);
+  }
 
   void SetFullscreen(bool is_fullscreen) {
     wmpi_->overlay_enabled_ = is_fullscreen;
   }
 
   void SetMetadata(bool has_audio, bool has_video) {
     wmpi_->SetNetworkState(blink::WebMediaPlayer::kNetworkStateLoaded);
     wmpi_->SetReadyState(blink::WebMediaPlayer::kReadyStateHaveMetadata);
     wmpi_->pipeline_metadata_.has_audio = has_audio;
     wmpi_->pipeline_metadata_.has_video = has_video;
@@ skipping 718 matching lines @@
                         WebMediaPlayerImplBackgroundBehaviorTest,
                         ::testing::Combine(::testing::Bool(),
                                            ::testing::Bool(),
                                            ::testing::Values(5, 300),
                                            ::testing::Values(5, 100),
                                            ::testing::Bool(),
                                            ::testing::Bool(),
                                            ::testing::Bool()));
 
 }  // namespace media