Change URLRequest to use a ref-counted buffer for actual IO....

chrome/browser/renderer_host/safe_browsing_resource_handler.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_SAFE_BROWSING_RESOURCE_HANDLER_H_
 #define CHROME_BROWSER_RENDERER_HOST_SAFE_BROWSING_RESOURCE_HANDLER_H_
 
 #include "base/time.h"
 #include "chrome/browser/renderer_host/resource_handler.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
@@ skipping 10 matching lines @@
                               const GURL& url,
                               ResourceType::Type resource_type,
                               SafeBrowsingService* safe_browsing,
                               ResourceDispatcherHost* resource_dispatcher_host);
 
   // ResourceHandler implementation:
   bool OnUploadProgress(int request_id, uint64 position, uint64 size);
   bool OnRequestRedirected(int request_id, const GURL& new_url);
   bool OnResponseStarted(int request_id, ResourceResponse* response);
   void OnGetHashTimeout();
-  bool OnWillRead(int request_id, char** buf, int* buf_size, int min_size);
+  bool OnWillRead(int request_id, net::IOBuffer** buf, int* buf_size,
+                  int min_size);
   bool OnReadCompleted(int request_id, int* bytes_read);
   bool OnResponseCompleted(int request_id, const URLRequestStatus& status);
 
   // SafeBrowsingService::Client implementation, called on the IO thread once
   // the URL has been classified.
   void OnUrlCheckResult(const GURL& url,
                         SafeBrowsingService::UrlCheckResult result);
 
   // SafeBrowsingService::Client implementation, called on the IO thread when
   // the user has decided to proceed with the current request, or go back.
@@ skipping 12 matching lines @@
   int queued_error_request_id_;
   ResourceDispatcherHost* rdh_;
   base::Time pause_time_;
   ResourceType::Type resource_type_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingResourceHandler);
 };
 
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_SAFE_BROWSING_RESOURCE_HANDLER_H_