Plumb audio focus support for spitzer clients.

media/blink/webmediaplayer_impl.cc

 // Copyright 2013 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/blink/webmediaplayer_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <string>
@@ skipping 188 matching lines @@
   }
 
   // TODO(xhwang): When we use an external Renderer, many methods won't work,
   // e.g. GetCurrentFrameFromCompositor(). See http://crbug.com/434861
 
   // Use the null sink if no sink was provided.
   audio_source_provider_ = new WebAudioSourceProviderImpl(
       params.audio_renderer_sink().get()
           ? params.audio_renderer_sink()
           : new NullAudioSink(media_task_runner_));
+#if defined(OS_ANDROID)
+  audio_source_provider_->enable_audio_focus();
+#endif
 }
 
 WebMediaPlayerImpl::~WebMediaPlayerImpl() {
   client_->setWebLayer(NULL);
 
   DCHECK(main_task_runner_->BelongsToCurrentThread());
 
   if (delegate_)
     delegate_->PlayerGone(this);
 
@@ skipping 1169 matching lines @@
            << ", Video: " << stats.video_memory_usage << ", DataSource: "
            << (data_source_ ? data_source_->GetMemoryUsage() : 0)
            << ", Demuxer: " << demuxer_memory_usage;
 
   const int64_t delta = current_memory_usage - last_reported_memory_usage_;
   last_reported_memory_usage_ = current_memory_usage;
   adjust_allocated_memory_cb_.Run(delta);
 }
 
 }  // namespace media