Cleanup CanDownload WebContentsDelegate API

content/public/browser/web_contents_delegate.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/public/browser/web_contents_delegate.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 55 matching lines @@
 bool WebContentsDelegate::TakeFocus(WebContents* source, bool reverse) {
   return false;
 }
 
 int WebContentsDelegate::GetExtraRenderViewHeight() const {
   return 0;
 }
 
 void WebContentsDelegate::CanDownload(
     RenderViewHost* render_view_host,
-    int request_id,
+    const GURL& url,
     const std::string& request_method,
     const base::Callback<void(bool)>& callback) {
   callback.Run(true);
 }
 
 bool WebContentsDelegate::HandleContextMenu(
     const content::ContextMenuParams& params) {
   return false;
 }
 
@@ skipping 111 matching lines @@
 gfx::Size WebContentsDelegate::GetSizeForNewRenderView(
    WebContents* web_contents) const {
   return gfx::Size();
 }
 
 bool WebContentsDelegate::IsNeverVisible(WebContents* web_contents) {
   return false;
 }
 
 }  // namespace content