fix chrome.tabs.onUpdated bugs, add browsertest

chrome/browser/extensions/extension_tabs_module.h

Index: chrome/browser/extensions/extension_tabs_module.h
diff --git a/chrome/browser/extensions/extension_tabs_module.h b/chrome/browser/extensions/extension_tabs_module.h
index 8e8298100ed05bc023da1175a3975fc07c456962..432ee22aaea807418b307e5f8c3fedaeea1d9868 100644
--- a/chrome/browser/extensions/extension_tabs_module.h
+++ b/chrome/browser/extensions/extension_tabs_module.h
@@ -21,17 +21,9 @@ class TabStripModel;
 
 class ExtensionTabUtil {
  public:
-  // Possible tab states.  These states are used to calculate the "status"
-  // property of the Tab object that is used in the extension tab API.
-  enum TabStatus {
-    TAB_LOADING,  // Waiting for the DOM to load.
-    TAB_COMPLETE  // Tab loading and rendering is complete.
-  };
-
   static int GetWindowId(const Browser* browser);
   static int GetTabId(const TabContents* tab_contents);
-  static TabStatus GetTabStatus(const TabContents* tab_contents);
-  static std::string GetTabStatusText(TabStatus status);
+  static std::string GetTabStatusText(bool is_loading);
   static int GetWindowIdOfTab(const TabContents* tab_contents);
   static ListValue* CreateTabList(const Browser* browser);
   static DictionaryValue* CreateTabValue(const TabContents* tab_contents);