Intiialize AudioManager and related class lazily

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 2012 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 814 matching lines @@
 #endif
   channel->Init(IPC::ChannelMojo::CreateServerFactory(std::move(handle)), true);
   return channel;
 }
 
 void RenderProcessHostImpl::CreateMessageFilters() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   AddFilter(new ResourceSchedulerFilter(GetID()));
   MediaInternals* media_internals = MediaInternals::GetInstance();
   media::AudioManager* audio_manager =
-      BrowserMainLoop::GetInstance()->audio_manager();
+      BrowserMainLoop::GetInstance()->GetAudioManager();
   // Add BrowserPluginMessageFilter to ensure it gets the first stab at messages
   // from guests.
   scoped_refptr<BrowserPluginMessageFilter> bp_message_filter(
       new BrowserPluginMessageFilter(GetID()));
   AddFilter(bp_message_filter.get());
 
   scoped_refptr<net::URLRequestContextGetter> request_context(
       storage_partition_impl_->GetURLRequestContext());
   scoped_refptr<RenderMessageFilter> render_message_filter(
       new RenderMessageFilter(
@@ skipping 30 matching lines @@
       GetID(), PROCESS_TYPE_RENDERER,
       storage_partition_impl_->GetAppCacheService(),
       blob_storage_context.get(),
       storage_partition_impl_->GetFileSystemContext(),
       storage_partition_impl_->GetServiceWorkerContext(),
       storage_partition_impl_->GetHostZoomLevelContext(),
       get_contexts_callback);
 
   AddFilter(resource_message_filter);
   MediaStreamManager* media_stream_manager =
-      BrowserMainLoop::GetInstance()->media_stream_manager();
+      BrowserMainLoop::GetInstance()->GetMediaStreamManager();
+  BrowserMainLoop::GetInstance()->InitializeSpeechRecognitionManager();
   // The AudioInputRendererHost and AudioRendererHost needs to be available for
   // lookup, so it's stashed in a member variable.
   audio_input_renderer_host_ = new AudioInputRendererHost(
       GetID(), base::GetProcId(GetHandle()), audio_manager,
       media_stream_manager, AudioMirroringManager::GetInstance(),
       BrowserMainLoop::GetInstance()->user_input_monitor());
   AddFilter(audio_input_renderer_host_.get());
   audio_renderer_host_ = new AudioRendererHost(
       GetID(), audio_manager, AudioMirroringManager::GetInstance(),
       media_internals, media_stream_manager,
@@ skipping 1115 matching lines @@
   // thread.
   BrowserThread::PostTaskAndReply(
       BrowserThread::FILE, FROM_HERE, base::Bind(&base::DoNothing),
       base::Bind(&RenderProcessHostImpl::SendDisableEventLogToRenderer,
                  weak_factory_.GetWeakPtr()));
 }
 
 void RenderProcessHostImpl::SetWebRtcLogMessageCallback(
     base::Callback<void(const std::string&)> callback) {
 #if defined(ENABLE_WEBRTC)
-  BrowserMainLoop::GetInstance()->media_stream_manager()->
+  BrowserMainLoop::GetInstance()->GetMediaStreamManager()->
       RegisterNativeLogCallback(GetID(), callback);
 #endif
 }
 
 void RenderProcessHostImpl::ClearWebRtcLogMessageCallback() {
 #if defined(ENABLE_WEBRTC)
   BrowserMainLoop::GetInstance()
-      ->media_stream_manager()
+      ->GetMediaStreamManager()
       ->UnregisterNativeLogCallback(GetID());
 #endif
 }
 
 RenderProcessHostImpl::WebRtcStopRtpDumpCallback
 RenderProcessHostImpl::StartRtpDump(
     bool incoming,
     bool outgoing,
     const WebRtcRtpPacketCallback& packet_callback) {
   if (!p2p_socket_dispatcher_host_.get())
@@ skipping 770 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing. Alias
   // enough information here so that we can determine what the bad message was.
   base::debug::Alias(&error);
   bad_message::ReceivedBadMessage(process.get(),
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content