WebView context menu cleanup.

extensions/browser/guest_view/web_view/web_view_guest.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 
 #include <vector>
 
 #include "base/observer_list.h"
@@ skipping 52 matching lines @@
   static int GetViewInstanceId(content::WebContents* contents);
 
   static const char Type[];
 
   // Returns the stored rules registry ID of the given webview. Will generate
   // an ID for the first query.
   static int GetOrGenerateRulesRegistryID(
       int embedder_process_id,
       int web_view_instance_id);
 
+  // Retrieve and return the extension ID for the WebView identified by
+  // |embedder_process_id| and |view_instance_id|. If no extension ID can be
+  // found for that GuestView, an empty string will be returned.
+  static std::string GetExtensionID(int embedder_process_id,
+                                    int view_instance_id);
+
+  // Associate the extension ID |extension_id| with the WebView identified by
+  // |embedder_process_id| and |view_instance_id|.
+  static void RegisterExtensionID(const std::string& extension_id,
+                                  int embedder_process_id,
+                                  int view_instance_id);
+
   // Get the current zoom.
   double GetZoom() const;
 
   // Get the current zoom mode.
   ui_zoom::ZoomController::ZoomMode GetZoomMode();
 
   // Request navigating the guest to the provided |src| URL.
   void NavigateGuest(const std::string& src, bool force_navigation);
 
   // Shows the context menu for the guest.
@@ skipping 331 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<WebViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_