Add GamepadService, owns 1 gamepad bg thread

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright (c) 2011 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 520 matching lines @@
   channel_->AddFilter(new content::P2PSocketDispatcherHost(
       &GetBrowserContext()->GetResourceContext()));
 #endif
 
   channel_->AddFilter(new TraceMessageFilter());
   channel_->AddFilter(new ResolveProxyMsgHelper(
       GetBrowserContext()->GetRequestContextForRenderProcess(GetID())));
   channel_->AddFilter(new QuotaDispatcherHost(
       GetID(), GetBrowserContext()->GetQuotaManager(),
       content::GetContentClient()->browser()->CreateQuotaPermissionContext()));
-  channel_->AddFilter(new GamepadBrowserMessageFilter);
+  channel_->AddFilter(new content::GamepadBrowserMessageFilter(this));
   channel_->AddFilter(new ProfilerMessageFilter());
 }
 
 int RenderProcessHostImpl::GetNextRoutingID() {
   return widget_helper_->GetNextRoutingID();
 }
 
 void RenderProcessHostImpl::UpdateAndSendMaxPageID(int32 page_id) {
   if (page_id > max_page_id_)
     Send(new ViewMsg_SetNextPageID(page_id + 1));
@@ skipping 768 matching lines @@
 void RenderProcessHostImpl::OnRevealFolderInOS(const FilePath& path) {
   // Only honor the request if appropriate persmissions are granted.
   if (ChildProcessSecurityPolicy::GetInstance()->CanReadFile(GetID(), path))
     content::GetContentClient()->browser()->OpenItem(path);
 }
 
 void RenderProcessHostImpl::OnSavedPageAsMHTML(int job_id, int64 data_size) {
   content::GetContentClient()->browser()->GetMHTMLGenerationManager()->
       MHTMLGenerated(job_id, data_size);
 }