fix chrome.tabs.onUpdated bugs, add browsertest

chrome/browser/extensions/extension_tabs_module.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_TABS_MODULE_H__
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_TABS_MODULE_H__
 
 #include <string>
 
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/notification_registrar.h"
 
 class BackingStore;
 class Browser;
 class DictionaryValue;
 class ListValue;
 class SkBitmap;
 class TabContents;
 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);
   static DictionaryValue* CreateTabValue(const TabContents* tab_contents,
                                          TabStripModel* tab_strip,
                                          int tab_index);
   static DictionaryValue* CreateWindowValue(const Browser* browser,
                                             bool populate_tabs);
 
   static bool GetDefaultTab(Browser* browser, TabContents** contents,
@@ skipping 122 matching lines @@
   // The format (JPEG vs PNG) of the resulting image.  Set in RunImpl().
   ImageFormat image_format_;
 
   // Quality setting to use when encoding jpegs.  Set in RunImpl().
   int image_quality_;
 
   DECLARE_EXTENSION_FUNCTION_NAME("tabs.captureVisibleTab")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TABS_MODULE_H__