Add a unified resource tracker shared between the proxy and the impl.

ppapi/proxy/ppb_input_event_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_input_event_proxy.h"
 
 #include "ppapi/c/ppb_audio_config.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
-#include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/plugin_var_tracker.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/input_event_impl.h"
+#include "ppapi/shared_impl/resource.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/thunk/thunk.h"
 
 using ppapi::HostResource;
 using ppapi::InputEventData;
 using ppapi::InputEventImpl;
+using ppapi::Resource;
 using ppapi::thunk::PPB_InputEvent_API;
 
 namespace pp {
 namespace proxy {
 
 // The implementation is actually in InputEventImpl.
-class InputEvent : public PluginResource, public InputEventImpl {
+class InputEvent : public Resource, public InputEventImpl {
  public:
   InputEvent(const HostResource& resource, const InputEventData& data);
   virtual ~InputEvent();
 
-  // ResourceObjectBase overrides.
+  // Resource overrides.
   virtual PPB_InputEvent_API* AsPPB_InputEvent_API() OVERRIDE;
 
   // InputEventImpl overrides.
   virtual PP_Var StringToPPVar(const std::string& str) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputEvent);
 };
 
 InputEvent::InputEvent(const HostResource& resource, const InputEventData& data)
-    : PluginResource(resource),
+    : Resource(resource),
       InputEventImpl(data) {
 }
 
 InputEvent::~InputEvent() {
 }
 
 PPB_InputEvent_API* InputEvent::AsPPB_InputEvent_API() {
   return this;
 }
 
@@ skipping 63 matching lines @@
     false,
     &CreateInputEventProxy,
   };
   return &info;
 }
 
 // static
 PP_Resource PPB_InputEvent_Proxy::CreateProxyResource(
     PP_Instance instance,
     const InputEventData& data) {
-  return PluginResourceTracker::GetInstance()->AddResource(
-      new InputEvent(HostResource::MakeInstanceOnly(instance), data));
+  return (new InputEvent(HostResource::MakeInstanceOnly(instance), data))->
+      GetReference();
 }
 
 bool PPB_InputEvent_Proxy::OnMessageReceived(const IPC::Message& msg) {
   // There are no IPC messages for this interface.
   NOTREACHED();
   return false;
 }
 
 }  // namespace proxy
 }  // namespace pp