Cleanup CanDownload WebContentsDelegate API

chrome/browser/prerender/prerender_contents.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 "chrome/browser/prerender/prerender_contents.h"
 
 #include <algorithm>
 #include <functional>
 #include <utility>
 
@@ skipping 118 matching lines @@
     prerender_contents_->Destroy(FINAL_STATUS_OPEN_URL);
     return NULL;
   }
 
   virtual void CloseContents(content::WebContents* contents) OVERRIDE {
     prerender_contents_->Destroy(FINAL_STATUS_CLOSED);
   }
 
   virtual void CanDownload(
       RenderViewHost* render_view_host,
-      int request_id,
+      const GURL& url,
       const std::string& request_method,
       const base::Callback<void(bool)>& callback) OVERRIDE {
     prerender_contents_->Destroy(FINAL_STATUS_DOWNLOAD);
     // Cancel the download.
     callback.Run(false);
   }
 
    virtual bool ShouldCreateWebContents(
        WebContents* web_contents,
        int route_id,
@@ skipping 749 matching lines @@
  void PrerenderContents::AddResourceThrottle(
      const base::WeakPtr<PrerenderResourceThrottle>& throttle) {
    resource_throttles_.push_back(throttle);
  }
 
  void PrerenderContents::AddNetworkBytes(int64 bytes) {
    network_bytes_ += bytes;
  }
 
 }  // namespace prerender