Add menu and menu item events to the accessibility extension api, and...

chrome/common/extensions/api/extension_api.json

 [
   {
     "namespace": "extension",
     "unprivileged": true,
     "types": [
       {
         "id": "MessageSender",
         "type": "object",
         "description": "An object containing information about the script context that sent a message or request.",
         "properties": {
@@ skipping 225 matching lines @@
     "nodoc": true,
     "types": [
       {
         "id": "AccessibilityObject",
         "type": "object",
         "description": "Parent class for accessibility information about an object.",
         "properties": {
           "type": {
             "type": "string",
             "description": "The type of this object, which determines the contents of 'details'.",
-            "enum": ["button", "checkbox", "combobox", "link", "radiobutton", "tab", "textbox", "window"]
+            "enum": ["button", "checkbox", "combobox", "link", "menu", "menuitem", "radiobutton", "tab", "textbox", "window"]
           },
           "name": {
             "type": "string",
             "description": "The localized name of the object, like OK or Password. Do not rely on an exact string match because the text will be in the user's language and may change in the future."
           },
           "details": {
             "description": "Other details like the state, depending on the type of object.",
             "optional": true,
             "choices": [
               { "$ref": "CheckboxDetails" },
               { "$ref": "ComboBoxDetails" },
+              { "$ref": "MenuDetails" },
+              { "$ref": "MenuItemDetails" },
               { "$ref": "RadioButtonDetails" },
               { "$ref": "TabDetails" },
               { "$ref": "TextBoxDetails" }
             ]
           }
         }
       },
       {
         "id": "CheckboxDetails",
         "type": "object",
@@ skipping 16 matching lines @@
         "id": "ListBoxDetails",
         "type": "object",
         "description": "Information about the state of a list box.",
         "properties": {
           "value": {"type": "string", "description": "The value of the list box."},
           "itemCount": {"type": "integer", "description": "The number of items in the list."},
           "itemIndex": {"type": "integer", "description": "The 0-based index of the selected value, or -1 if no items are selected."}
         }
       },
       {
+        "id": "MenuDetails",
+        "type": "object",
+        "description": "Information about the state of a drop-down menu.",
+        "properties": {
+        }
+      },
+      {
+        "id": "MenuItemDetails",
+        "type": "object",
+        "description": "Information about a menu item.",
+        "properties": {
+          "hasSubmenu": {"type": "boolean", "description": "True if this item opens a submenu."},
+          "itemCount": {"type": "integer", "description": "The number of items in the menu."},
+          "itemIndex": {"type": "integer", "description": "The 0-based index of this menu item."}
+        }
+      },
+      {
         "id": "RadioButtonDetails",
         "type": "object",
         "description": "Information about the state of a radio button.",
         "properties": {
           "isChecked": {"type": "boolean", "description": "True if this radio button is checked."},
           "itemCount": {"type": "integer", "description": "The number of radio buttons in this group."},
           "itemIndex": {"type": "integer", "description": "The 0-based index of this radio button in this group."}
         }
       },
       {
@@ skipping 105 matching lines @@
         "name": "onTextChanged",
         "type": "function",
         "description": "Fired when text changes in an editable text control.",
         "parameters": [
           {
             "$ref": "AccessibilityObject",
             "name": "control",
             "description": "Details of the control where the text changed."
           }
         ]
+      },
+      {
+        "name": "onMenuOpened",
+        "type": "function",
+        "description": "Fired when a menu is opened.",
+        "parameters": [
+          {
+            "$ref": "AccessibilityObject",
+            "name": "menu",
+            "description": "Information about the menu that was opened."
+          }
+        ]
+      },
+      {
+        "name": "onMenuClosed",
+        "type": "function",
+        "description": "Fired when a menu is closed.",
+        "parameters": [
+          {
+            "$ref": "AccessibilityObject",
+            "name": "menu",
+            "description": "Information about the menu that was closed."
+          }
+        ]
       }
     ]
   },
   {
     "namespace": "experimental.extension",
     "nodoc": true,
     "types": [],
     "functions": [
       {
         "name": "getPopupView",
@@ skipping 2246 matching lines @@
         "description": "Triggers a paste operation in the specified tab.",
         "parameters": [
           {"type": "integer", "name": "tabId", "minimum": 0},
           {"type": "function", "name": "callback", "optional": true, "parameters": []}
         ]
       }
     ],
     "events": []
   }
 ]