media: Introduce Renderer interface and RendererImpl.

media/base/mock_filters.h

Index: media/base/mock_filters.h
diff --git a/media/base/mock_filters.h b/media/base/mock_filters.h
index 0755e46ab94b9d08bc1e6565babff6fa62a5dc58..1950dcff44dd4cad4f28fec5ef7c65f418fbedb4 100644
--- a/media/base/mock_filters.h
+++ b/media/base/mock_filters.h
@@ -16,6 +16,7 @@
 #include "media/base/demuxer.h"
 #include "media/base/filter_collection.h"
 #include "media/base/pipeline_status.h"
+#include "media/base/renderer.h"
 #include "media/base/text_track.h"
 #include "media/base/time_source.h"
 #include "media/base/video_decoder.h"
@@ -155,6 +156,31 @@ class MockAudioRenderer : public AudioRenderer {
   DISALLOW_COPY_AND_ASSIGN(MockAudioRenderer);
 };
 
+class MockRenderer : public Renderer {
+ public:
+  MockRenderer();
+  virtual ~MockRenderer();
+
+  // Renderer implementation.
+  MOCK_METHOD6(Initialize, void(const PipelineStatusCB& init_cb,
+                                const StatisticsCB& statistics_cb,
+                                const base::Closure& ended_cb,
+                                const PipelineStatusCB& error_cb,
+                                const BufferingStateCB& buffering_state_cb,
+                                const TimeDeltaCB& get_duration_cb));
+  MOCK_METHOD1(Flush, void(const base::Closure& flush_cb));
+  MOCK_METHOD1(StartPlayingFrom, void(base::TimeDelta timestamp));
+  MOCK_METHOD1(SetPlaybackRate, void(float playback_rate));
+  MOCK_METHOD1(SetVolume, void(float volume));
+  MOCK_METHOD0(GetMediaTime, base::TimeDelta());
+  MOCK_METHOD0(HasAudio, bool());
+  MOCK_METHOD0(HasVideo, bool());
+  MOCK_METHOD1(SetCdm, void(MediaKeys* cdm));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockRenderer);
+};
+
 class MockTimeSource : public TimeSource {
  public:
   MockTimeSource();