More old files deletion.

ui/gfx/scoped_cg_context_save_gstate_mac.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 UI_GFX_SCOPED_CG_CONTEXT_SAVE_GSTATE_MAC_H_
-#define UI_GFX_SCOPED_CG_CONTEXT_SAVE_GSTATE_MAC_H_
-
-#import <QuartzCore/QuartzCore.h>
-
-namespace gfx {
-
-class ScopedCGContextSaveGState {
- public:
-  explicit ScopedCGContextSaveGState(CGContextRef context) : context_(context) {
-    CGContextSaveGState(context_);
-  }
-
-  ~ScopedCGContextSaveGState() {
-    CGContextRestoreGState(context_);
-  }
-
- private:
-  CGContextRef context_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedCGContextSaveGState);
-};
-
-}  // namespace gfx
-
-#endif  // UI_GFX_SCOPED_CG_CONTEXT_SAVE_GSTATE_MAC_H_