chrome.tabs.onUpdated doesn't called with 'loading' twice.

chrome/browser/extensions/api/tabs/tabs_event_router.h

Index: chrome/browser/extensions/api/tabs/tabs_event_router.h
diff --git a/chrome/browser/extensions/api/tabs/tabs_event_router.h b/chrome/browser/extensions/api/tabs/tabs_event_router.h
index 1c6a9eb3358c0f269e36ebd6a6d9c3c25150740d..7a0801a8c1d8fb068895fe8569af2401f7e36628 100644
--- a/chrome/browser/extensions/api/tabs/tabs_event_router.h
+++ b/chrome/browser/extensions/api/tabs/tabs_event_router.h
@@ -148,19 +148,8 @@ class TabsEventRouter : public TabStripModelObserver,
     // |contents|.
     explicit TabEntry(content::WebContents* contents);
 
-    // Indicate via a list of key/value pairs if a tab is loading based on its
-    // WebContents. Whether the state has changed or not is used to determine
-    // if events needs to be sent to extensions during processing of
-    // TabChangedAt(). If this method indicates that a tab should "hold" a
-    // state-change to "loading", the DidNavigate() method should eventually
-    // send a similar message to undo it. If false, the returned key/value
-    // pairs list is empty.
-    scoped_ptr<base::DictionaryValue> UpdateLoadState();
-
-    // Indicate via a list of key/value pairs that a tab load has resulted in a
-    // navigation and the destination url is available for inspection. The list
-    // is empty if no updates should be sent.
-    scoped_ptr<base::DictionaryValue> DidNavigate();
+    // Indicate via a list of key/value pairs that being changed when called.
+    scoped_ptr<base::DictionaryValue> Update();
 
     // Update the audible and muted states and return whether they were changed
     bool SetAudible(bool new_val);
@@ -171,17 +160,14 @@ class TabsEventRouter : public TabStripModelObserver,
    private:
     content::WebContents* contents_;
 
-    // Whether we are waiting to fire the 'complete' status change. This will
-    // occur the first time the WebContents stops loading after the
-    // NAV_ENTRY_COMMITTED was fired. The tab may go back into and out of the
-    // loading state subsequently, but we will ignore those changes.
-    bool complete_waiting_on_load_;
-
     // Previous audible and muted states
     bool was_audible_;
     bool was_muted_;
 
     GURL url_;
+
+    // Indicate the last 'status' value.
+    std::string status_;
   };
 
   // Gets the TabEntry for the given |contents|. Returns linked_ptr<TabEntry>