Set the AudioManager factory before the browser main loop.

chromecast/browser/cast_browser_main_parts.cc

 // 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.
 
 #include "chromecast/browser/cast_browser_main_parts.h"
 
+#include <string>
 #if !defined(OS_ANDROID)
 #include <signal.h>
 #include <sys/prctl.h>
 #endif
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/run_loop.h"
 #include "cc/base/switches.h"
 #include "chromecast/base/cast_paths.h"
 #include "chromecast/base/metrics/cast_metrics_helper.h"
 #include "chromecast/base/metrics/grouped_histogram.h"
 #include "chromecast/browser/cast_browser_context.h"
 #include "chromecast/browser/cast_browser_process.h"
 #include "chromecast/browser/devtools/remote_debugging_server.h"
 #include "chromecast/browser/metrics/cast_metrics_prefs.h"
 #include "chromecast/browser/metrics/cast_metrics_service_client.h"
 #include "chromecast/browser/pref_service_helper.h"
 #include "chromecast/browser/service/cast_service.h"
 #include "chromecast/browser/url_request_context_factory.h"
 #include "chromecast/common/chromecast_switches.h"
 #include "chromecast/common/platform_client_auth.h"
 #include "chromecast/media/base/key_systems_common.h"
 #include "chromecast/net/connectivity_checker.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_switches.h"
+#include "media/audio/audio_manager.h"
+#include "media/audio/audio_manager_factory.h"
 #include "media/base/browser_cdm_factory.h"
 #include "media/base/media_switches.h"
 
 #if defined(OS_ANDROID)
 #include "chromecast/browser/media/cast_media_client_android.h"
 #include "chromecast/crash/android/crash_handler.h"
 #include "components/crash/browser/crash_dump_manager_android.h"
 #include "media/base/android/media_client_android.h"
 #include "net/android/network_change_notifier_factory_android.h"
 #else
@@ skipping 139 matching lines @@
         std::string(g_default_switches[i].switch_name),
         std::string(g_default_switches[i].switch_value));
     ++i;
   }
 }
 
 }  // namespace
 
 CastBrowserMainParts::CastBrowserMainParts(
     const content::MainFunctionParams& parameters,
-    URLRequestContextFactory* url_request_context_factory)
+    URLRequestContextFactory* url_request_context_factory,
+    scoped_ptr<::media::AudioManagerFactory> audio_manager_factory)
     : BrowserMainParts(),
       cast_browser_process_(new CastBrowserProcess()),
       parameters_(parameters),
-      url_request_context_factory_(url_request_context_factory) {
+      url_request_context_factory_(url_request_context_factory),
+      audio_manager_factory_(audio_manager_factory.Pass()) {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   AddDefaultCommandLineSwitches(command_line);
 }
 
 CastBrowserMainParts::~CastBrowserMainParts() {
 }
 
 void CastBrowserMainParts::PreMainMessageLoopStart() {
   // GroupedHistograms needs to be initialized before any threads are created
   // to prevent race conditions between calls to Preregister and those threads
   // attempting to collect metrics.
   // This call must also be before NetworkChangeNotifier, as it generates
   // Net/DNS metrics.
   metrics::PreregisterAllGroupedHistograms();
 
+  // Set the platform's implementation of AudioManagerFactory.
+  if (audio_manager_factory_)
+    ::media::AudioManager::SetFactory(audio_manager_factory_.release());
+
 #if defined(OS_ANDROID)
   net::NetworkChangeNotifier::SetFactory(
       new net::NetworkChangeNotifierFactoryAndroid());
 #endif  // defined(OS_ANDROID)
 }
 
 void CastBrowserMainParts::PostMainMessageLoopStart() {
   cast_browser_process_->SetMetricsHelper(make_scoped_ptr(
       new metrics::CastMetricsHelper(base::MessageLoopProxy::current())));
 
@@ skipping 120 matching lines @@
 #else
   cast_browser_process_->cast_service()->Finalize();
   cast_browser_process_->metrics_service_client()->Finalize();
   cast_browser_process_.reset();
   DeregisterKillOnAlarm();
 #endif
 }
 
 }  // namespace shell
 }  // namespace chromecast