fix NetInternalsTest.NetInternalsPrerenderViewSucceed for aura

chrome/browser/ui/views/aura/launcher_icon_updater.h

Index: chrome/browser/ui/views/aura/launcher_icon_updater.h
diff --git a/chrome/browser/ui/views/aura/launcher_icon_updater.h b/chrome/browser/ui/views/aura/launcher_icon_updater.h
index 8b642eee5bcd368a6f3b43a6dc80dc6cc78683b4..0cef52767be20e5a9a2c8fb8bb38aa63d90dc29a 100644
--- a/chrome/browser/ui/views/aura/launcher_icon_updater.h
+++ b/chrome/browser/ui/views/aura/launcher_icon_updater.h
@@ -40,6 +40,10 @@ class LauncherIconUpdater : public TabStripModelObserver {
       TabContentsWrapper* tab,
       int index,
       TabStripModelObserver::TabChangeType change_type) OVERRIDE;
+  virtual void TabReplacedAt(TabStripModel* tab_strip_model,
+                             TabContentsWrapper* old_contents,
+                             TabContentsWrapper* new_contents,
+                             int index) OVERRIDE;
 
  private:
   typedef std::deque<TabContentsWrapper*> Tabs;