Remove cc dependency from ui/base

ui/base/android/window_android_observer.h

-// Copyright 2013 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 UI_BASE_ANDROID_WINDOW_ANDROID_OBSERVER_H_
-#define UI_BASE_ANDROID_WINDOW_ANDROID_OBSERVER_H_
-
-#include "ui/base/ui_base_export.h"
-
-namespace ui {
-
-class UI_BASE_EXPORT WindowAndroidObserver {
- public:
-  virtual void OnCompositingDidCommit() = 0;
-  virtual void OnAttachCompositor() = 0;
-  virtual void OnDetachCompositor() = 0;
-  virtual void OnVSync(base::TimeTicks frame_time,
-                       base::TimeDelta vsync_period) = 0;
-  virtual void OnAnimate(base::TimeTicks frame_begin_time) {}
-
- protected:
-  virtual ~WindowAndroidObserver() {}
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_ANDROID_WINDOW_ANDROID_OBSERVER_H_