<webview>: Context menu API implementation CL.

chrome/browser/extensions/menu_manager.h

Index: chrome/browser/extensions/menu_manager.h
diff --git a/chrome/browser/extensions/menu_manager.h b/chrome/browser/extensions/menu_manager.h
index ea6cecf90de2aec43d6ac8c8f05304b7d76a279c..66a70635ede11b8e73745a2bc592163cc6024b2f 100644
--- a/chrome/browser/extensions/menu_manager.h
+++ b/chrome/browser/extensions/menu_manager.h
@@ -60,6 +60,7 @@ class MenuItem {
     // Only one of uid or string_uid will be defined.
     int uid;
     std::string string_uid;
+    int webview_instance_id;
   };
 
   // For context menus, these are the contexts where an item can appear.
@@ -290,6 +291,10 @@ class MenuManager : public content::NotificationObserver,
   // Removes all items for the given extension id.
   void RemoveAllContextItems(const std::string& extension_id);
 
+  // Remove all items that belong to a <webview> guest within an extension.
+  void RemoveAllWebviewContextItems(const std::string& extension_id,
+                                    int webview_instance_id);
+
   // Returns the item with the given |id| or NULL.
   MenuItem* GetItemById(const MenuItem::Id& id) const;