Clean up ResourceHandler API.

content/browser/loader/layered_resource_handler.cc

 // Copyright (c) 2012 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 "content/browser/loader/layered_resource_handler.h"
 
 #include "base/logging.h"
 
 namespace content {
 
 LayeredResourceHandler::LayeredResourceHandler(
+    net::URLRequest* request,
     scoped_ptr<ResourceHandler> next_handler)
-    : next_handler_(next_handler.Pass()) {
+    : ResourceHandler(request),
+      next_handler_(next_handler.Pass()) {
 }
 
 LayeredResourceHandler::~LayeredResourceHandler() {
 }
 
 void LayeredResourceHandler::SetController(ResourceController* controller) {
   ResourceHandler::SetController(controller);
 
   // Pass the controller down to the next handler.  This method is intended to
   // be overriden by subclasses of LayeredResourceHandler that need to insert a
@@ skipping 23 matching lines @@
   DCHECK(next_handler_.get());
   return next_handler_->OnResponseStarted(request_id, response, defer);
 }
 
 bool LayeredResourceHandler::OnWillStart(int request_id, const GURL& url,
                                          bool* defer) {
   DCHECK(next_handler_.get());
   return next_handler_->OnWillStart(request_id, url, defer);
 }
 
-bool LayeredResourceHandler::OnWillRead(int request_id, net::IOBuffer** buf,
-                                        int* buf_size, int min_size) {
+bool LayeredResourceHandler::OnWillRead(int request_id,
+                                        scoped_refptr<net::IOBuffer>* buf,
+                                        int* buf_size,
+                                        int min_size) {
   DCHECK(next_handler_.get());
   return next_handler_->OnWillRead(request_id, buf, buf_size, min_size);
 }
 
 bool LayeredResourceHandler::OnReadCompleted(int request_id, int bytes_read,
                                              bool* defer) {
   DCHECK(next_handler_.get());
   return next_handler_->OnReadCompleted(request_id, bytes_read, defer);
 }
 
 bool LayeredResourceHandler::OnResponseCompleted(
     int request_id,
     const net::URLRequestStatus& status,
     const std::string& security_info) {
   DCHECK(next_handler_.get());
   return next_handler_->OnResponseCompleted(request_id, status, security_info);
 }
 
 void LayeredResourceHandler::OnDataDownloaded(int request_id,
                                               int bytes_downloaded) {
   DCHECK(next_handler_.get());
   next_handler_->OnDataDownloaded(request_id, bytes_downloaded);
 }
 
 }  // namespace content