Remove initial empty setting of base color for OmniBoxViewViews

chrome/browser/ui/views/omnibox/omnibox_view_views.h

Index: chrome/browser/ui/views/omnibox/omnibox_view_views.h
diff --git a/chrome/browser/ui/views/omnibox/omnibox_view_views.h b/chrome/browser/ui/views/omnibox/omnibox_view_views.h
index e4a9b18e503b1bc2190d58e182815047a81f323b..a6518d0568bdb033643ff4b94fdee8c0dcf678aa 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_view_views.h
+++ b/chrome/browser/ui/views/omnibox/omnibox_view_views.h
@@ -44,7 +44,6 @@ class OSExchangeData;
 class OmniboxViewViews
     : public views::View,
       public OmniboxView,
-      public content::NotificationObserver,
 #if defined(OS_CHROMEOS)
       public
           chromeos::input_method::InputMethodManager::CandidateWindowObserver,
@@ -144,11 +143,6 @@ class OmniboxViewViews
   virtual views::View* AddToView(views::View* parent) OVERRIDE;
   virtual int OnPerformDrop(const views::DropTargetEvent& event) OVERRIDE;
 
-  // content::NotificationObserver:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
   // views::TextfieldController:
   virtual void ContentsChanged(views::Textfield* sender,
                                const string16& new_contents) OVERRIDE;