skia/ext: Removed paint simplifier.

skia/ext/paint_simplifier.h

-// Copyright (c) 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 SKIA_EXT_PAINT_SIMPLIFIER_H
-#define SKIA_EXT_PAINT_SIMPLIFIER_H
-
-#include "base/values.h"
-#include "third_party/skia/include/core/SkDrawFilter.h"
-
-class SkPaint;
-
-namespace skia {
-
-/*
-  When installed on a SkCanvas, reduces the quality of all draws
-  to that canvas. This improves rasterization speed during flings.
-  We turn off blurs, filters, and antialiasing *except for* text.
-*/
-class SK_API PaintSimplifier : public SkDrawFilter {
- public:
-  PaintSimplifier();
-  virtual ~PaintSimplifier();
-  virtual bool filter(SkPaint*, Type) OVERRIDE;
-
- private:
-  typedef SkDrawFilter INHERITED;
-};
-
-}  // namespace skia
-
-#endif  // SKIA_EXT_PAINT_SIMPLIFIER_H
-