Fix media timeline so that thumb never exceeds buffered data

media/base/mock_filter_host.h

Index: media/base/mock_filter_host.h
diff --git a/media/base/mock_filter_host.h b/media/base/mock_filter_host.h
index 82ab0ac18ea1fc0c939c194221ded94472a5fa07..a074f43fe2bf00869739c6887945365882e3c1b3 100644
--- a/media/base/mock_filter_host.h
+++ b/media/base/mock_filter_host.h
@@ -27,17 +27,9 @@ class MockFilterHost : public FilterHost {
   MOCK_METHOD1(SetError, void(PipelineStatus error));
   MOCK_CONST_METHOD0(GetDuration, base::TimeDelta());
   MOCK_CONST_METHOD0(GetTime, base::TimeDelta());
-  MOCK_METHOD1(SetTime, void(base::TimeDelta time));
-  MOCK_METHOD1(SetDuration, void(base::TimeDelta duration));
-  MOCK_METHOD1(SetBufferedTime, void(base::TimeDelta buffered_time));
-  MOCK_METHOD1(SetTotalBytes, void(int64 total_bytes));
-  MOCK_METHOD1(SetBufferedBytes, void(int64 buffered_bytes));
   MOCK_METHOD1(SetNaturalVideoSize, void(const gfx::Size& size));
-  MOCK_METHOD1(SetNetworkActivity, void(bool network_activity));
   MOCK_METHOD0(NotifyEnded, void());
   MOCK_METHOD0(DisableAudioRenderer, void());
-  MOCK_METHOD1(SetCurrentReadPosition, void(int64 offset));
-  MOCK_METHOD0(GetCurrentReadPosition, int64());
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockFilterHost);