[Media, Video] Update WMPI when the pipeline gets a new average keyframe distance.

media/filters/pipeline_controller_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/filters/pipeline_controller.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 118 matching lines @@
   void OnError(PipelineStatus status) override { NOTREACHED(); }
   void OnEnded() override {}
   void OnMetadata(PipelineMetadata metadata) override {}
   void OnBufferingStateChange(BufferingState state) override {}
   void OnDurationChange() override {}
   void OnAddTextTrack(const TextTrackConfig& config,
                       const AddTextTrackDoneCB& done_cb) override {}
   void OnWaitingForDecryptionKey() override {}
   void OnVideoNaturalSizeChange(const gfx::Size& size) override {}
   void OnVideoOpacityChange(bool opaque) override {}
+  void OnVideoAverageKeyframeDistanceUpdate() override {}
 
   base::MessageLoop message_loop_;
 
   NiceMock<MockDemuxer> demuxer_;
   StrictMock<MockPipeline> pipeline_;
   PipelineController pipeline_controller_;
 
   bool was_seeked_ = false;
   bool last_seeked_time_updated_ = false;
   bool was_suspended_ = false;
@@ skipping 183 matching lines @@
   // Request a seek to the same time again.
   pipeline_controller_.Seek(seek_time, true);
   base::RunLoop().RunUntilIdle();
 
   // Expect the second seek to trigger when the first seek completes.
   EXPECT_CALL(pipeline_, Seek(seek_time, _));
   Complete(seek_cb_1);
 }
 
 }  // namespace media