[WIP][NotForLand]: Use Mojo for WebMIDI IPC

content/browser/renderer_host/render_process_host_impl.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.
 
 // 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 126 matching lines @@
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/gpu_switches.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_logging.h"
 #include "ipc/ipc_switches.h"
 #include "ipc/mojo/ipc_channel_mojo.h"
 #include "ipc/mojo/ipc_channel_mojo_host.h"
 #include "media/base/media_switches.h"
+#include "media/midi/midi_service_impl.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "ppapi/shared_impl/ppapi_switches.h"
 #include "storage/browser/fileapi/sandbox_file_system_backend.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/events/event_switches.h"
 #include "ui/gfx/switches.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/gl/gpu_switching_manager.h"
 #include "ui/native_theme/native_theme_switches.h"
@@ skipping 743 matching lines @@
   mojo_application_host_->service_registry()->AddService(
       base::Bind(&device::BatteryMonitorImpl::Create));
 
   mojo_application_host_->service_registry()->AddService(
       base::Bind(&device::VibrationManagerImpl::Create));
 
   mojo_application_host_->service_registry()->AddService(
       base::Bind(&PermissionServiceContext::CreateService,
                  base::Unretained(permission_service_context_.get())));
 
+  mojo_application_host_->service_registry()->AddService(
+      base::Bind(&media::MidiServiceImpl::Create,
+                 GetID(),
+                 BrowserMainLoop::GetInstance()->midi_manager()));
+
 #if defined(OS_ANDROID)
   ServiceRegistrarAndroid::RegisterProcessHostServices(
       mojo_application_host_->service_registry_android());
 #endif
 
   GetContentClient()->browser()->OverrideRenderProcessMojoServices(
       mojo_application_host_->service_registry());
 }
 
 int RenderProcessHostImpl::GetNextRoutingID() {
@@ skipping 1457 matching lines @@
 
 void RenderProcessHostImpl::DecrementWorkerRefCount() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK_GT(worker_ref_count_, 0);
   --worker_ref_count_;
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 }  // namespace content