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

ppapi/proxy/ppb_url_response_info_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_url_response_info_proxy.h"
 
 #include "ppapi/c/ppb_url_response_info.h"
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
-#include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/ppb_file_ref_proxy.h"
 #include "ppapi/proxy/serialized_var.h"
+#include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_url_response_info_api.h"
 #include "ppapi/thunk/thunk.h"
 
 using ppapi::HostResource;
+using ppapi::Resource;
 using ppapi::thunk::PPB_URLResponseInfo_API;
 
 namespace pp {
 namespace proxy {
 
 namespace {
 
 InterfaceProxy* CreateURLResponseInfoProxy(Dispatcher* dispatcher,
                                            const void* target_interface) {
   return new PPB_URLResponseInfo_Proxy(dispatcher, target_interface);
 }
 
 }  // namespace
 
 // URLResponseInfo -------------------------------------------------------------
 
-class URLResponseInfo : public PluginResource,
-                        public PPB_URLResponseInfo_API {
+class URLResponseInfo : public Resource, public PPB_URLResponseInfo_API {
  public:
   URLResponseInfo(const HostResource& resource);
   virtual ~URLResponseInfo();
 
-  // ResourceObjectBase override.
+  // Resource override.
   virtual PPB_URLResponseInfo_API* AsPPB_URLResponseInfo_API() OVERRIDE;
 
   // PPB_URLResponseInfo_API implementation.
   virtual PP_Var GetProperty(PP_URLResponseProperty property) OVERRIDE;
   virtual PP_Resource GetBodyAsFileRef() OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(URLResponseInfo);
 };
 
 URLResponseInfo::URLResponseInfo(const HostResource& resource)
-    : PluginResource(resource) {
+    : Resource(resource) {
 }
 
 URLResponseInfo::~URLResponseInfo() {
 }
 
 PPB_URLResponseInfo_API* URLResponseInfo::AsPPB_URLResponseInfo_API() {
   return this;
 }
 
 PP_Var URLResponseInfo::GetProperty(PP_URLResponseProperty property) {
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForResource(this);
   ReceiveSerializedVarReturnValue result;
-  GetDispatcher()->Send(new PpapiHostMsg_PPBURLResponseInfo_GetProperty(
+  dispatcher->Send(new PpapiHostMsg_PPBURLResponseInfo_GetProperty(
       INTERFACE_ID_PPB_URL_RESPONSE_INFO, host_resource(), property, &result));
-  return result.Return(GetDispatcher());
+  return result.Return(dispatcher);
 }
 
 PP_Resource URLResponseInfo::GetBodyAsFileRef() {
   // This could be more efficient by having the host automatically send us the
   // file ref when the request is streaming to a file and it's in the state
   // where the file is ready. This will prevent us from having to do this sync
   // IPC here.
   PPBFileRef_CreateInfo create_info;
-  GetDispatcher()->Send(new PpapiHostMsg_PPBURLResponseInfo_GetBodyAsFileRef(
-      INTERFACE_ID_PPB_URL_RESPONSE_INFO, host_resource(), &create_info));
+  PluginDispatcher::GetForResource(this)->Send(
+      new PpapiHostMsg_PPBURLResponseInfo_GetBodyAsFileRef(
+          INTERFACE_ID_PPB_URL_RESPONSE_INFO, host_resource(), &create_info));
   return PPB_FileRef_Proxy::DeserializeFileRef(create_info);
 }
 
 // PPB_URLResponseInfo_Proxy ---------------------------------------------------
 
 PPB_URLResponseInfo_Proxy::PPB_URLResponseInfo_Proxy(
     Dispatcher* dispatcher,
     const void* target_interface)
     : InterfaceProxy(dispatcher, target_interface) {
 }
 
 PPB_URLResponseInfo_Proxy::~PPB_URLResponseInfo_Proxy() {
 }
 
 // static
 const InterfaceProxy::Info* PPB_URLResponseInfo_Proxy::GetInfo() {
   static const Info info = {
     ppapi::thunk::GetPPB_URLResponseInfo_Thunk(),
     PPB_URLRESPONSEINFO_INTERFACE,
     INTERFACE_ID_PPB_URL_RESPONSE_INFO,
     false,
     &CreateURLResponseInfoProxy,
   };
   return &info;
 }
 
 // static
 PP_Resource PPB_URLResponseInfo_Proxy::CreateResponseForResource(
     const HostResource& resource) {
-  return PluginResourceTracker::GetInstance()->AddResource(
-      new URLResponseInfo(resource));
+  return (new URLResponseInfo(resource))->GetReference();
 }
 
 bool PPB_URLResponseInfo_Proxy::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_URLResponseInfo_Proxy, msg)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBURLResponseInfo_GetProperty,
                         OnMsgGetProperty)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBURLResponseInfo_GetBodyAsFileRef,
                         OnMsgGetBodyAsFileRef)
     IPC_MESSAGE_UNHANDLED(handled = false)
@@ skipping 26 matching lines @@
   // Use the FileRef proxy to serialize.
   DCHECK(!dispatcher()->IsPlugin());
   HostDispatcher* host_disp = static_cast<HostDispatcher*>(dispatcher());
   PPB_FileRef_Proxy* file_ref_proxy = static_cast<PPB_FileRef_Proxy*>(
       host_disp->GetOrCreatePPBInterfaceProxy(INTERFACE_ID_PPB_FILE_REF));
   file_ref_proxy->SerializeFileRef(file_ref, result);
 }
 
 }  // namespace proxy
 }  // namespace pp