Caching AudioOutputDevice instances in mixer manager

content/renderer/render_frame_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 "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 2546 matching lines @@
           GetMediaInterfaceProvider()));
 #else
   std::unique_ptr<media::RendererFactory> media_renderer_factory =
       GetContentClient()->renderer()->CreateMediaRendererFactory(
           this, render_thread->GetGpuFactories(), media_log);
 
   if (!media_renderer_factory.get()) {
     media_renderer_factory.reset(new media::DefaultRendererFactory(
         media_log, GetDecoderFactory(),
         base::Bind(&RenderThreadImpl::GetGpuFactories,
-                   base::Unretained(render_thread)),
-        *render_thread->GetAudioHardwareConfig()));
+                   base::Unretained(render_thread))));
   }
 #endif  // defined(ENABLE_MOJO_RENDERER)
 
   if (!url_index_.get() || url_index_->frame() != frame_)
     url_index_.reset(new media::UrlIndex(frame_));
 
   media::WebMediaPlayerImpl* media_player = new media::WebMediaPlayerImpl(
       frame_, client, encrypted_client,
       GetWebMediaPlayerDelegate()->AsWeakPtr(),
       std::move(media_renderer_factory), url_index_, params);
@@ skipping 3578 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content