Set the AudioManager factory before the browser main loop.

chromecast/browser/cast_content_browser_client.h

 // Copyright 2014 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.
 
 #ifndef CHROMECAST_BROWSER_CAST_CONTENT_BROWSER_CLIENT_H_
 #define CHROMECAST_BROWSER_CAST_CONTENT_BROWSER_CLIENT_H_
 
 #include <map>
+#include <string>
+#include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/content_browser_client.h"
 
 namespace breakpad {
 class CrashHandlerHostLinux;
 }
 
 namespace content {
 class BrowserMessageFilter;
 }
 
+namespace media {
+class AudioManagerFactory;
+}
+
 namespace net {
 class HostResolver;
 }
 
 namespace chromecast {
 namespace shell {
 
 class CastBrowserMainParts;
 class URLRequestContextFactory;
 
@@ skipping 70 matching lines @@
 #endif  // defined(OS_ANDROID) && defined(VIDEO_HOLE)
 
  private:
   void AddNetworkHintsMessageFilter(int render_process_id,
                                     net::URLRequestContext* context);
 
   net::X509Certificate* SelectClientCertificateOnIOThread(
       GURL requesting_url,
       int render_process_id);
 
+  scoped_ptr<::media::AudioManagerFactory> PlatformCreateAudioManagerFactory();
+
 #if !defined(OS_ANDROID)
   // Returns the crash signal FD corresponding to the current process type.
   int GetCrashSignalFD(const base::CommandLine& command_line);
 
   // Creates a CrashHandlerHost instance for the given process type.
   breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
       const std::string& process_type);
 
   // A static cache to hold crash_handlers for each process_type
   std::map<std::string, breakpad::CrashHandlerHostLinux*> crash_handlers_;
 #endif
 
   base::ScopedFD v8_natives_fd_;
   base::ScopedFD v8_snapshot_fd_;
 
   scoped_ptr<URLRequestContextFactory> url_request_context_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CastContentBrowserClient);
 };
 
 }  // namespace shell
 }  // namespace chromecast
 
 #endif  // CHROMECAST_BROWSER_CAST_CONTENT_BROWSER_CLIENT_H_