Switch ResourceBundle LoadDataResourceBytes to return RefCountedMemory.

ios/web/public/web_client.mm

 // Copyright 2014 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 "ios/web/public/web_client.h"
 
 #include <Foundation/Foundation.h>
 
 namespace web {
 
@@ skipping 48 matching lines @@
 base::string16 WebClient::GetLocalizedString(int message_id) const {
   return base::string16();
 }
 
 base::StringPiece WebClient::GetDataResource(
     int resource_id,
     ui::ScaleFactor scale_factor) const {
   return base::StringPiece();
 }
 
-base::RefCountedStaticMemory* WebClient::GetDataResourceBytes(
-    int resource_id) const {
+base::RefCountedMemory* WebClient::GetDataResourceBytes(int resource_id) const {
   return nullptr;
 }
 
 NSString* WebClient::GetEarlyPageScript() const {
   return @"";
 }
 
 void WebClient::AllowCertificateError(
     WebState* web_state,
     int cert_error,
     const net::SSLInfo& ssl_info,
     const GURL& request_url,
     bool overridable,
     const base::Callback<void(bool)>& callback) {
   callback.Run(false);
 }
 
 }  // namespace web