permissionrequest API for guest Download.

chrome/browser/ui/search/instant_loader.h

 // Copyright 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_SEARCH_INSTANT_LOADER_H_
 #define CHROME_BROWSER_UI_SEARCH_INSTANT_LOADER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ skipping 85 matching lines @@
 
   // Overridden from CoreTabHelperDelegate:
   virtual void SwapTabContents(content::WebContents* old_contents,
                                content::WebContents* new_contents) OVERRIDE;
 
   // Overridden from content::WebContentsDelegate:
   virtual bool ShouldSuppressDialogs() OVERRIDE;
   virtual bool ShouldFocusPageAfterCrash() OVERRIDE;
   virtual void LostCapture() OVERRIDE;
   virtual void WebContentsFocused(content::WebContents* contents) 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 void HandleMouseDown() OVERRIDE;
   virtual void HandleMouseUp() OVERRIDE;
   virtual void HandlePointerActivate() OVERRIDE;
   virtual void HandleGestureEnd() OVERRIDE;
   virtual void DragEnded() OVERRIDE;
   virtual bool OnGoToEntryOffset(int offset) OVERRIDE;
   virtual content::WebContents* OpenURLFromTab(
       content::WebContents* source,
       const content::OpenURLParams& params) OVERRIDE;
 
   Delegate* const delegate_;
   scoped_ptr<content::WebContents> contents_;
 
   // The URL we will be loading.
   GURL instant_url_;
 
   // Called when |stale_page_timer_| fires.
   base::Closure on_stale_callback_;
 
   // Used to mark when the page is stale.
   base::Timer stale_page_timer_;
 
   // Used to get notifications about renderers.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantLoader);
 };
 
 #endif  // CHROME_BROWSER_UI_SEARCH_INSTANT_LOADER_H_