Cleanup: remove GTK stuff

chrome/browser/ui/views/dropdown_bar_host.h

 // Copyright (c) 2011 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_UI_VIEWS_DROPDOWN_BAR_HOST_H_
 #define CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 19 matching lines @@
 namespace views {
 class ExternalFocusTracker;
 class View;
 class Widget;
 }  // namespace views
 
 ////////////////////////////////////////////////////////////////////////////////
 //
 // The DropdownBarHost implements the container widget for the UI that
 // is shown at the top of browser contents. It uses the appropriate
-// implementation from dropdown_bar_host_win.cc or dropdown_bar_host_gtk.cc to
+// implementation from dropdown_bar_host_win.cc or dropdown_bar_host_aura.cc to
 // draw its content and is responsible for showing, hiding, animating, closing,
 // and moving the bar if needed, for example if the widget is
 // obscuring the selection results in FindBar.
 //
 ////////////////////////////////////////////////////////////////////////////////
 class DropdownBarHost : public ui::AcceleratorTarget,
                         public views::FocusChangeListener,
                         public ui::AnimationDelegate {
  public:
   explicit DropdownBarHost(BrowserView* browser_view);
@@ skipping 136 matching lines @@
   scoped_ptr<views::Widget> host_;
 
   // A flag to manually manage visibility. GTK/X11 is asynchronous and
   // the state of the widget can be out of sync.
   bool is_visible_;
 
   DISALLOW_COPY_AND_ASSIGN(DropdownBarHost);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_DROPDOWN_BAR_HOST_H_