Introduce AudioIPCFactory.

content/renderer/pepper/pepper_platform_audio_output_dev.cc

 // Copyright (c) 2017 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/pepper/pepper_platform_audio_output_dev.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "build/build_config.h"
 #include "content/child/child_process.h"
 #include "content/common/content_constants_internal.h"
-#include "content/common/media/audio_messages.h"
-#include "content/renderer/media/audio_message_filter.h"
+#include "content/renderer/media/audio_ipc_factory.h"
 #include "content/renderer/pepper/audio_helper.h"
 #include "content/renderer/pepper/pepper_audio_output_host.h"
 #include "content/renderer/pepper/pepper_media_device_manager.h"
 #include "content/renderer/render_frame_impl.h"
-#include "content/renderer/render_thread_impl.h"
 #include "media/audio/audio_device_description.h"
 #include "ppapi/shared_impl/ppb_audio_config_shared.h"
 
+namespace {
+#if defined(OS_WIN) || defined(OS_MACOSX)
+const int64_t kMaxAuthorizationTimeoutMs = 4000;
+#else
+const int64_t kMaxAuthorizationTimeoutMs = 0;  // No timeout.
+#endif
+}
+
 namespace content {
 
 // static
 PepperPlatformAudioOutputDev* PepperPlatformAudioOutputDev::Create(
     int render_frame_id,
     const std::string& device_id,
     const GURL& document_url,
     int sample_rate,
     int frames_per_buffer,
     PepperAudioOutputHost* client) {
@@ skipping 210 matching lines @@
                                               PepperAudioOutputHost* client) {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
 
   RenderFrameImpl* const render_frame =
       RenderFrameImpl::FromRoutingID(render_frame_id_);
   if (!render_frame || !client)
     return false;
 
   client_ = client;
 
-  RenderThreadImpl* const render_thread = RenderThreadImpl::current();
-  ipc_ = render_thread->audio_message_filter()->CreateAudioOutputIPC(
-      render_frame_id_);
+  ipc_ = AudioIPCFactory::get()->CreateAudioOutputIPC(render_frame_id_);
   CHECK(ipc_);
 
   params_.Reset(media::AudioParameters::AUDIO_PCM_LOW_LATENCY,
                 media::CHANNEL_LAYOUT_STEREO, sample_rate,
                 ppapi::kBitsPerAudioOutputSample, frames_per_buffer);
 
   io_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&PepperPlatformAudioOutputDev::CreateStreamOnIOThread, this,
                  params_));
@@ skipping 127 matching lines @@
 }
 
 void PepperPlatformAudioOutputDev::NotifyStreamCreationFailed() {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
 
   if (client_)
     client_->StreamCreationFailed();
 }
 
 }  // namespace content