Extend contextMenus API to support browser/page actions

chrome/common/extensions/api/web_view_internal.json

 // 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.
 
 [
   {
     "namespace": "webViewInternal",
     "description": "none",
     "compiler_options": {
       "implemented_in": "chrome/browser/extensions/api/web_view/web_view_internal_api.h"
@@ skipping 106 matching lines @@
               "checked": {
                 "type": "boolean",
                 "optional": true,
                 "description": "The initial state of a checkbox or radio item: true for selected and false for unselected. Only one radio item can be selected at a time in a given group of radio items."
               },
               "contexts": {
                 "type": "array",
                 "items": {
                   "type": "string",
                   // |launcher| isn't actually supported, this is listed here so that we can build |contexts| using the same code from chrome.contextMenus API.
-                  "enum": ["all", "page", "frame", "selection", "link", "editable", "image", "video", "audio", "launcher"]
+                  "enum": ["all", "page", "frame", "selection", "link", "editable", "image", "video", "audio", "launcher", "browser_action", "page_action"]
                 },
                 "minItems": 1,
                 "optional": true,
                 "description": "List of contexts this menu item will appear in. Defaults to ['page'] if not specified. Specifying ['all'] is equivalent to the combination of all other contexts except for 'launcher'. The 'launcher' context is not supported for <webview>."
               },
               "onclick": {
                 "type": "function",
                 "optional": true,
                 "description": "A function that will be called back when the menu item is clicked.",
                 "parameters": [
@@ skipping 73 matching lines @@
               },
               "checked": {
                 "type": "boolean",
                 "optional": true
               },
               "contexts": {
                 "type": "array",
                 "items": {
                   "type": "string",
                   // |launcher| isn't actually supported, this is listed here so that we can build |contexts| using the same code from chrome.contextMenus API.
-                  "enum": ["all", "page", "frame", "selection", "link", "editable", "image", "video", "audio", "launcher"]
+                  "enum": ["all", "page", "frame", "selection", "link", "editable", "image", "video", "audio", "launcher", "browser_action", "page_action"]
                 },
                 "minItems": 1,
                 "optional": true,
                 "description": "List of contexts this menu item will appear in. Defaults to ['page'] if not specified. Specifying ['all'] is equivalent to the combination of all other contexts except for 'launcher'. The 'launcher' context is not supported for <webview>."
               },
               "onclick": {
                 "type": "function",
                 "optional": true
               },
               "parentId": {
@@ skipping 483 matching lines @@
     "events": [
       {
         "name": "onClicked",
         "type": "function",
         "nodoc": true,
         "$ref": "contextMenusInternal.onClicked"
       }
     ]
   }
 ]