Convert FileRefImpl and URLRequestInfo to shared_impl.

webkit/plugins/ppapi/ppb_url_response_info_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.
 
 #include "webkit/plugins/ppapi/ppb_url_response_info_impl.h"
 
 #include "base/logging.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/shared_impl/var.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebHTTPHeaderVisitor.h"
@@ skipping 56 matching lines @@
     redirect_url_ = response.httpHeaderField(
         WebString::fromUTF8("Location")).utf8();
   }
 
   HeaderFlattener flattener;
   response.visitHTTPHeaderFields(&flattener);
   headers_ = flattener.buffer();
 
   WebString file_path = response.downloadFilePath();
   if (!file_path.isEmpty()) {
-    body_ = new PPB_FileRef_Impl(pp_instance(),
-                                 webkit_glue::WebStringToFilePath(file_path));
+    body_ = PPB_FileRef_Impl::CreateExternal(
+        pp_instance(), webkit_glue::WebStringToFilePath(file_path));
   }
   return true;
 }
 
 PPB_URLResponseInfo_API* PPB_URLResponseInfo_Impl::AsPPB_URLResponseInfo_API() {
   return this;
 }
 
 PP_Var PPB_URLResponseInfo_Impl::GetProperty(PP_URLResponseProperty property) {
   PP_Module pp_module = ResourceHelper::GetPluginModule(this)->pp_module();
@@ skipping 15 matching lines @@
     case PP_URLRESPONSEPROPERTY_HEADERS:
       return StringVar::StringToPPVar(pp_module, headers_);
   }
   // The default is to return an undefined PP_Var.
   return PP_MakeUndefined();
 }
 
 PP_Resource PPB_URLResponseInfo_Impl::GetBodyAsFileRef() {
   if (!body_.get())
     return 0;
-  body_->AddRef();  // AddRef for the caller.
   return body_->GetReference();
 }
 
 }  // namespace ppapi
 }  // namespace webkit