Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/titlebar_throb_animation.h

-// Copyright (c) 2012 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_GTK_TITLEBAR_THROB_ANIMATION_H_
-#define CHROME_BROWSER_UI_GTK_TITLEBAR_THROB_ANIMATION_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/gfx/gtk_util.h"
-
-// A helper class to keep track of which frame of the throbber animation
-// we're showing.
-class TitlebarThrobAnimation {
- public:
-  TitlebarThrobAnimation();
-
-  // Get the next frame in the animation. The image is owned by the throbber
-  // so the caller doesn't need to unref. |is_waiting| is true if we're
-  // still waiting for a response.
-  GdkPixbuf* GetNextFrame(bool is_waiting);
-
-  // Reset back to the first frame.
-  void Reset();
-
- private:
-  // Make sure the frames are loaded.
-  static void InitFrames();
-
-  int current_frame_;
-  int current_waiting_frame_;
-
-  DISALLOW_COPY_AND_ASSIGN(TitlebarThrobAnimation);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_TITLEBAR_THROB_ANIMATION_H_