Fix DCHECK in MojoRendererService::SetPlaybackRate

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/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 361 matching lines @@
   EXPECT_CALL(*mock_renderer_, Flush(_)).WillRepeatedly(RunClosure<0>());
   EXPECT_CALL(*this, OnFlushed());
   mojo_renderer_->Flush(
       base::Bind(&MojoRendererTest::OnFlushed, base::Unretained(this)));
   Destroy();
 }
 
 // TODO(xhwang): Add more tests on OnError. For example, ErrorDuringFlush,
 // ErrorAfterFlush etc.
 
+TEST_F(MojoRendererTest, ErrorDuringPlayback) {
+  Initialize();
+
+  EXPECT_CALL(renderer_client_, OnError(PIPELINE_ERROR_DECODE)).Times(1);
+
+  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