Extend contextMenus API to support browser/page actions

chrome/browser/extensions/menu_manager.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_EXTENSIONS_MENU_MANAGER_H_
 #define CHROME_BROWSER_EXTENSIONS_MENU_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 76 matching lines @@
   enum Context {
     ALL = 1,
     PAGE = 2,
     SELECTION = 4,
     LINK = 8,
     EDITABLE = 16,
     IMAGE = 32,
     VIDEO = 64,
     AUDIO = 128,
     FRAME = 256,
-    LAUNCHER = 512
+    LAUNCHER = 512,
+    BROWSER_ACTION = 1024,
+    PAGE_ACTION = 2048
   };
 
   // An item can be only one of these types.
   enum Type {
     NORMAL,
     CHECKBOX,
     RADIO,
     SEPARATOR
   };
 
@@ skipping 52 matching lines @@
   // Simple accessor methods.
   bool incognito() const { return id_.incognito; }
   const std::string& extension_id() const {
     return id_.extension_key.extension_id;
   }
   const std::string& title() const { return title_; }
   const List& children() { return children_; }
   const Id& id() const { return id_; }
   Id* parent_id() const { return parent_id_.get(); }
   int child_count() const { return children_.size(); }
-  ContextList contexts() const { return contexts_; }
+  const ContextList& contexts() const { return contexts_; }
   Type type() const { return type_; }
   bool checked() const { return checked_; }
   bool enabled() const { return enabled_; }
   const URLPatternSet& document_url_patterns() const {
     return document_url_patterns_;
   }
   const URLPatternSet& target_url_patterns() const {
     return target_url_patterns_;
   }
 
@@ skipping 218 matching lines @@
 
   // Owned by ExtensionSystem.
   StateStore* store_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuManager);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_MENU_MANAGER_H_