[OnionSoup] Moving VR service from content to Blink

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 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/frame_host/render_frame_host_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 1924 matching lines @@
     frame_mojo_shell_.reset(new FrameMojoShell(this));
 
   GetServiceRegistry()->AddService<shell::mojom::Connector>(base::Bind(
       &FrameMojoShell::BindRequest, base::Unretained(frame_mojo_shell_.get())));
 
 #if defined(ENABLE_WEBVR)
   const base::CommandLine& browser_command_line =
       *base::CommandLine::ForCurrentProcess();
 
   if (browser_command_line.HasSwitch(switches::kEnableWebVR)) {
-    GetServiceRegistry()->AddService(base::Bind(&VRDeviceManager::BindRequest));
+    GetServiceRegistry()->AddService<blink::mojom::VRService>(

[dcheng, 2016/04/28 19:59:44]

Why does this template argument need to be specified?

+        base::Bind(&VRDeviceManager::BindRequest));
   }
 #endif
 
   GetContentClient()->browser()->RegisterRenderFrameMojoServices(
       GetServiceRegistry(), this);
 }
 
 void RenderFrameHostImpl::ResetWaitingState() {
   DCHECK(is_active());
 
@@ skipping 810 matching lines @@
   // handler after it's destroyed so it can't run after the RFHI is destroyed.
   web_bluetooth_service_->SetClientConnectionErrorHandler(base::Bind(
       &RenderFrameHostImpl::DeleteWebBluetoothService, base::Unretained(this)));
 }
 
 void RenderFrameHostImpl::DeleteWebBluetoothService() {
   web_bluetooth_service_.reset();
 }
 
 }  // namespace content