Refactor the URLResponseInfo to use new design

ppapi/shared_impl/url_response_info_data.cc

Index: ppapi/shared_impl/url_response_info_data.cc
diff --git a/ppapi/proxy/mock_resource.cc b/ppapi/shared_impl/url_response_info_data.cc
similarity index 50%
copy from ppapi/proxy/mock_resource.cc
copy to ppapi/shared_impl/url_response_info_data.cc
index 9662bad4f41c4e7ca5eede0c3b8f6eedc130c60f..0b4b078410873ced33a2e7f3c397782e10721c3a 100644
--- a/ppapi/proxy/mock_resource.cc
+++ b/ppapi/shared_impl/url_response_info_data.cc
@@ -2,17 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ppapi/proxy/mock_resource.h"
+#include "ppapi/shared_impl/url_response_info_data.h"
 
 namespace ppapi {
-namespace proxy {
 
-MockResource::MockResource(const HostResource& resource)
-    : Resource(OBJECT_IS_PROXY, resource) {
+URLResponseInfoData::URLResponseInfoData() : status_code(-1) {
 }
 
-MockResource::~MockResource() {
+URLResponseInfoData::~URLResponseInfoData() {
 }
 
-}  // namespace proxy
 }  // namespace ppapi