Dismiss browser plugin modal dialogs when the embedder needs to.

content/browser/browser_plugin/browser_plugin_embedder.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.
 
 // A BrowserPluginEmbedder handles messages coming from a BrowserPlugin's
 // embedder that are not directed at any particular existing guest process.
 // In the beginning, when a BrowserPlugin instance in the embedder renderer
 // process requests an initial navigation, the WebContents for that renderer
 // renderer creates a BrowserPluginEmbedder for itself. The
 // BrowserPluginEmbedder, in turn, forwards the requests to a
@@ skipping 38 matching lines @@
   // Indicates that a drag operation has entered into the bounds of a given
   // |guest|. Returns whether the |guest| also started the operation.
   bool DragEnteredGuest(BrowserPluginGuest* guest);
 
   // Indicates that a drag operation has left the bounds of a given |guest|.
   void DragLeftGuest(BrowserPluginGuest* guest);
 
   // Called when the screen info has changed.
   void ScreenInfoChanged();
 
+  // Closes modal dialogs in all of the guests.
+  void CancelGuestDialogs();
+
   // Called by WebContentsViewGuest when a drag operation is started within
   // |guest|. This |guest| will be signaled at the end of the drag operation.
   void StartDrag(BrowserPluginGuest* guest);
 
   // Sends EndSystemDrag message to the guest that initiated the last drag/drop
   // operation, if there's any.
   void SystemDragEnded();
 
   // Used to handle special keyboard events.
   bool HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
 
   // Returns the "full page" guest if there is one. That is, if there is a
   // single BrowserPlugin in the embedder which takes up the full page, then it
   // is returned.
   BrowserPluginGuest* GetFullPageGuest();
 
  private:
   explicit BrowserPluginEmbedder(WebContentsImpl* web_contents);
 
   BrowserPluginGuestManager* GetBrowserPluginGuestManager() const;
 
   void ClearGuestDragStateIfApplicable();
 
   static bool DidSendScreenRectsCallback(WebContents* guest_web_contents);
 
   // Notifies a guest that the embedder's screen info has changed.
   static bool NotifyScreenInfoChanged(WebContents* guest_web_contents);
 
+  // Closes modal dialogs in |guest_web_contents|.
+  static bool CancelDialogs(WebContents* guest_web_contents);
+
   static bool UnlockMouseIfNecessaryCallback(bool* mouse_unlocked,
                                              WebContents* guest);
 
   // Message handlers.
 
   void OnAttach(RenderFrameHost* render_frame_host,
                 int instance_id,
                 const BrowserPluginHostMsg_Attach_Params& params);
   void OnUpdateDragCursor(bool* handled);
 
@@ skipping 12 matching lines @@
   bool guest_drag_ending_;
 
   base::WeakPtrFactory<BrowserPluginEmbedder> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginEmbedder);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_EMBEDDER_H_