Web MIDI: introduce MidiService class

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 1056 matching lines @@
       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_stream_manager,
       browser_context->GetResourceContext()->GetMediaDeviceIDSalt());
   AddFilter(audio_renderer_host_.get());
   AddFilter(
-      new MidiHost(GetID(), BrowserMainLoop::GetInstance()->midi_manager()));
+      new MidiHost(GetID(), BrowserMainLoop::GetInstance()->midi_service()));
   AddFilter(new AppCacheDispatcherHost(
       storage_partition_impl_->GetAppCacheService(), GetID()));
   AddFilter(new ClipboardMessageFilter(blob_storage_context));
   AddFilter(new DOMStorageMessageFilter(
       storage_partition_impl_->GetDOMStorageContext()));
   AddFilter(new IndexedDBDispatcherHost(
       GetID(), storage_partition_impl_->GetURLRequestContext(),
       storage_partition_impl_->GetIndexedDBContext(),
       blob_storage_context.get()));
 
@@ skipping 1915 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing.
   // Capture the error message in a crash key value.
   base::debug::ScopedCrashKey error_key_value("mojo-message-error", error);
   bad_message::ReceivedBadMessage(render_process_id,
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content