add mole collapse/expand events. convert mappy to use this.

chrome/renderer/resources/extension_process_bindings.js

 // Copyright (c) 2009 The chrome Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // -----------------------------------------------------------------------------
 // NOTE: If you change this file you need to touch renderer_resources.grd to
 // have your change take effect.
 // -----------------------------------------------------------------------------
 
 // This script contains privileged chrome extension related javascript APIs.
 // It is loaded by pages whose URL has the chrome-extension protocol.
 
 var chrome = chrome || {};
 (function() {
   native function GetExtensionAPIDefinition();
   native function StartRequest();
   native function GetCurrentPageActions(extensionId);
   native function GetExtensionViews();
   native function GetChromeHidden();
   native function GetNextRequestId();
   native function OpenChannelToTab();
+  native function GetRenderViewId();
 
   if (!chrome)
     chrome = {};
 
   var chromeHidden = GetChromeHidden();
 
   // Validate arguments.
   chromeHidden.validationTypes = [];
   chromeHidden.validate = function(args, schemas) {
     if (args.length > schemas.length)
@@ skipping 143 matching lines @@
   function setupPageActionEvents(extensionId) {
     var pageActions = GetCurrentPageActions(extensionId);
     var eventName = "";
     for (var i = 0; i < pageActions.length; ++i) {
       eventName = extensionId + "/" + pageActions[i];
       // Setup events for each extension_id/page_action_id string we find.
       chrome.pageActions[pageActions[i]] = new chrome.Event(eventName);
     }
   }
 
+  function setupToolstripEvents(renderViewId) {
+    chrome.toolstrip = chrome.toolstrip || {};
+    chrome.toolstrip.onExpanded =
+        new chrome.Event("toolstrip.onExpanded." + renderViewId);
+    chrome.toolstrip.onCollapsed =
+        new chrome.Event("toolstrip.onCollapsed." + renderViewId);
+  }
+
   chromeHidden.onLoad.addListener(function (extensionId) {
     chrome.extension = new chrome.Extension(extensionId);
 
     // TODO(mpcomplete): chrome.self is deprecated.  Remove it at 1.0.
     // http://code.google.com/p/chromium/issues/detail?id=16356
     chrome.self = chrome.extension;
 
     // |apiFunctions| is a hash of name -> object that stores the
     // name & definition of the apiFunction. Custom handling of api functions
     // is implemented by adding a "handleRequest" function to the object.
@@ skipping 96 matching lines @@
               function(name) {
         // Event disambiguation is handled by name munging.  See
         // chrome/browser/extensions/extension_devtools_events.h for the C++
         // equivalent of this logic.
         tabIdProxy[name] = new chrome.Event("devtools." + tabId + "." + name);
       });
       return tabIdProxy;
     }
 
     setupPageActionEvents(extensionId);
+    setupToolstripEvents(GetRenderViewId());
   });
 })();