media: Use native BufferingState in media mojo interfaces

media/mojo/clients/mojo_renderer_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 <stdint.h>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/test/test_message_loop.h"
@@ skipping 354 matching lines @@
   // Flushing should pause media-time updates.
   EXPECT_CALL(*mock_renderer_, Flush(_)).WillOnce(RunClosure<0>());
   Flush();
   base::TimeDelta pause_time = mojo_renderer_->GetMediaTime();
   EXPECT_GT(pause_time, kStartTime);
   WaitFor(kSleepTime);
   EXPECT_EQ(pause_time, mojo_renderer_->GetMediaTime());
   Destroy();
 }
 
+TEST_F(MojoRendererTest, OnBufferingStateChange) {
+  Initialize();
+  Play();
+
+  EXPECT_CALL(renderer_client_, OnBufferingStateChange(BUFFERING_HAVE_ENOUGH))
+      .Times(1);
+  remote_renderer_client_->OnBufferingStateChange(BUFFERING_HAVE_ENOUGH);
+
+  EXPECT_CALL(renderer_client_, OnBufferingStateChange(BUFFERING_HAVE_NOTHING))
+      .Times(1);
+  remote_renderer_client_->OnBufferingStateChange(BUFFERING_HAVE_NOTHING);
+
+  base::RunLoop().RunUntilIdle();
+}
+
 TEST_F(MojoRendererTest, OnEnded) {
   Initialize();
   Play();
 
   EXPECT_CALL(renderer_client_, OnEnded()).Times(1);
   remote_renderer_client_->OnEnded();
   base::RunLoop().RunUntilIdle();
 }
 
 // TODO(xhwang): Add tests for all RendererClient methods.
@@ skipping 40 matching lines @@
   Play();
   remote_renderer_client_->OnError(PIPELINE_ERROR_DECODE);
   base::RunLoop().RunUntilIdle();
 
   EXPECT_CALL(*mock_renderer_, SetPlaybackRate(0.0)).Times(1);
   mojo_renderer_->SetPlaybackRate(0.0);
   Flush();
 }
 
 }  // namespace media