Web MIDI: introduce MidiService class

content/browser/browser_main_loop.cc

 // Copyright (c) 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.
 
 #include "content/browser/browser_main_loop.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 75 matching lines @@
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/main_function_params.h"
 #include "content/public/common/result_codes.h"
 #include "device/battery/battery_status_service.h"
 #include "device/gamepad/gamepad_service.h"
 #include "device/time_zone_monitor/time_zone_monitor.h"
 #include "media/base/media.h"
 #include "media/base/user_input_monitor.h"
-#include "media/midi/midi_manager.h"
+#include "media/midi/midi_service.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/scoped_ipc_support.h"
 #include "net/base/network_change_notifier.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/ssl/ssl_config_service.h"
 #include "ppapi/features/features.h"
 #include "services/service_manager/runner/common/client_util.h"
 #include "skia/ext/event_tracer_impl.h"
 #include "skia/ext/skia_memory_dump_provider.h"
 #include "sql/sql_memory_dump_provider.h"
@@ skipping 1023 matching lines @@
     TRACE_EVENT0("shutdown", "BrowserMainLoop::Subsystem:GPUProcessHostShim");
     GpuProcessHostUIShim::DestroyAll();
   }
   // Cancel pending requests and prevent new requests.
   if (resource_dispatcher_host_) {
     TRACE_EVENT0("shutdown",
                  "BrowserMainLoop::Subsystem:ResourceDispatcherHost");
     resource_dispatcher_host_->Shutdown();
   }
   // Request shutdown to clean up allocated resources on the IO thread.
-  if (midi_manager_) {
-    TRACE_EVENT0("shutdown", "BrowserMainLoop::Subsystem:MidiManager");
-    midi_manager_->Shutdown();
+  if (midi_service_) {
+    TRACE_EVENT0("shutdown", "BrowserMainLoop::Subsystem:MidiService");
+    midi_service_->Shutdown();
   }
 
   memory_pressure_monitor_.reset();
 
 #if defined(OS_MACOSX)
   BrowserCompositorMac::DisableRecyclingForShutdown();
 #endif
 
 #if defined(USE_AURA) || defined(OS_MACOSX)
   {
@@ skipping 240 matching lines @@
       tracing::GraphicsMemoryDumpProvider::GetInstance(), "AndroidGraphics",
       nullptr);
 #endif
 
   {
     TRACE_EVENT0("startup", "BrowserThreadsStarted::Subsystem:AudioMan");
     CreateAudioManager();
   }
 
   {
-    TRACE_EVENT0("startup", "BrowserThreadsStarted::Subsystem:MidiManager");
-    midi_manager_.reset(midi::MidiManager::Create());
+    TRACE_EVENT0("startup", "BrowserThreadsStarted::Subsystem:MidiService");
+    midi_service_.reset(new midi::MidiService);
   }
 
 #if defined(OS_WIN)
   system_message_window_.reset(new media::SystemMessageWindowWin);
 #elif defined(OS_LINUX) && defined(USE_UDEV)
   device_monitor_linux_.reset(
       new media::DeviceMonitorLinux(io_thread_->task_runner()));
 #elif defined(OS_MACOSX)
   device_monitor_mac_.reset(new media::DeviceMonitorMac());
 #endif
@@ skipping 286 matching lines @@
   if (!audio_manager_) {
     audio_thread_ = base::MakeUnique<AudioDeviceThread>();
     audio_manager_ = media::AudioManager::Create(
         audio_thread_->GetTaskRunner(), audio_thread_->worker_task_runner(),
         MediaInternals::GetInstance());
   }
   CHECK(audio_manager_);
 }
 
 }  // namespace content