Implement Browser Actions extensions....

chrome/renderer/resources/extension_process_bindings.js

Index: chrome/renderer/resources/extension_process_bindings.js
===================================================================
--- chrome/renderer/resources/extension_process_bindings.js	(revision 27027)
+++ chrome/renderer/resources/extension_process_bindings.js	(working copy)
@@ -193,6 +193,13 @@
     }
   }
 
+  // Browser action events send {windowpId}.
+  function setupBrowserActionEvent(extensionId) {
+    var eventName = "browserAction/" + extensionId;
+    chrome.browserAction = chrome.browserAction || {};
+    chrome.browserAction.onClicked = new chrome.Event(eventName);
+  }
+
   function setupToolstripEvents(renderViewId) {
     chrome.toolstrip = chrome.toolstrip || {};
     chrome.toolstrip.onExpanded =
@@ -317,6 +324,7 @@
     }
 
     setupPageActionEvents(extensionId);
+    setupBrowserActionEvent(extensionId);
     setupToolstripEvents(GetRenderViewId());
   });
 })();