permissionrequest API for guest Download.

chrome/browser/ui/views/external_tab_container_win.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_EXTERNAL_TAB_CONTAINER_WIN_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTERNAL_TAB_CONTAINER_WIN_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 108 matching lines @@
                                   const GURL& target_url,
                                   content::WebContents* new_contents) OVERRIDE;
   virtual bool PreHandleKeyboardEvent(
       content::WebContents* source,
       const content::NativeWebKeyboardEvent& event,
       bool* is_keyboard_shortcut) OVERRIDE;
   virtual void HandleKeyboardEvent(
       content::WebContents* source,
       const content::NativeWebKeyboardEvent& event) OVERRIDE;
   virtual bool TakeFocus(content::WebContents* source, bool reverse) OVERRIDE;
-  virtual bool CanDownload(content::RenderViewHost* render_view_host,
+  virtual void CanDownload(content::RenderViewHost* render_view_host,
                            int request_id,
-                           const std::string& request_method) OVERRIDE;
+                           const std::string& request_method,
+                           const base::Callback<void(bool)>& callback) OVERRIDE;
   virtual bool OnGoToEntryOffset(int offset) OVERRIDE;
   virtual bool HandleContextMenu(
       const content::ContextMenuParams& params) OVERRIDE;
   virtual void BeforeUnloadFired(content::WebContents* tab,
                                  bool proceed,
                                  bool* proceed_to_fire_unload) OVERRIDE;
   virtual content::JavaScriptDialogManager*
       GetJavaScriptDialogManager() OVERRIDE;
   virtual void ShowRepostFormWarningDialog(
       content::WebContents* source) OVERRIDE;
@@ skipping 244 matching lines @@
     return false;
   }
 
   virtual void BeforeUnloadFired(content::WebContents* tab, bool proceed,
                                  bool* proceed_to_fire_unload) {
     NOTREACHED();
   }
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTERNAL_TAB_CONTAINER_WIN_H_