Implement the gamepad API in the IPC proxy

content/browser/ppapi_plugin_process_host.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/ppapi_plugin_process_host.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 225 matching lines @@
       renderer_id, client->OffTheRecord());
   msg->set_unblock(true);
   if (Send(msg)) {
     sent_requests_.push(client);
   } else {
     client->OnPpapiChannelOpened(IPC::ChannelHandle(), 0);
   }
 }
 
 void PpapiPluginProcessHost::OnProcessLaunched() {
+  host_impl_->set_plugin_process_handle(process_->GetHandle());
 }
 
 bool PpapiPluginProcessHost::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PpapiPluginProcessHost, msg)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_ChannelCreated,
                         OnRendererPluginChannelCreated)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   DCHECK(handled);
@@ skipping 45 matching lines @@
   if (sent_requests_.empty())
     return;
 
   // All requests should be processed FIFO, so the next item in the
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   client->OnPpapiChannelOpened(channel_handle, process_->GetData().id);
 }