Convert the PluginResource to be refcounted.

ppapi/proxy/ppb_video_capture_proxy.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.
 
 #include "ppapi/proxy/ppb_video_capture_proxy.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 283 matching lines @@
   PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
   if (!dispatcher)
     return 0;
 
   HostResource result;
   dispatcher->Send(new PpapiHostMsg_PPBVideoCapture_Create(
       INTERFACE_ID_PPB_VIDEO_CAPTURE_DEV, instance, &result));
   if (result.is_null())
     return 0;
 
-  linked_ptr<VideoCapture> object(new VideoCapture(result));
-  return PluginResourceTracker::GetInstance()->AddResource(object);
+  return PluginResourceTracker::GetInstance()->AddResource(
+      new VideoCapture(result));
 }
 
 bool PPB_VideoCapture_Proxy::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_VideoCapture_Proxy, msg)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBVideoCapture_Create, OnMsgCreate)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBVideoCapture_StartCapture,
                         OnMsgStartCapture)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBVideoCapture_ReuseBuffer,
                         OnMsgReuseBuffer)
@@ skipping 134 matching lines @@
   PP_Resource resource = tracker->PluginResourceForHostResource(host_resource);
   if (!resource || !ppp_video_capture_target() || enter.failed())
     return;
   static_cast<VideoCapture*>(enter.object())->SetBufferInUse(buffer);
   ppp_video_capture_target()->OnBufferReady(
       host_resource.instance(), resource, buffer);
 }
 
 }  // namespace proxy
 }  // namespace pp