skia/ext: Removed paint simplifier.

We no longer use this class, so we should remove it.

Note: this depends on https://codereview.chromium.org/603683006

R=danakj, junov

Review URL: https://codereview.chromium.org/610743002

Cr-Commit-Position: refs/heads/master@{#297448}

skia/BUILD.gn

@@ -274,8 +274,6 @@ component("skia") {
     "ext/SkThread_chrome.cc",
     "ext/opacity_draw_filter.cc",
     "ext/opacity_draw_filter.h",
-    "ext/paint_simplifier.cc",
-    "ext/paint_simplifier.h",
     "ext/pixel_ref_utils.cc",
     "ext/pixel_ref_utils.h",
     "ext/platform_canvas.cc",

skia/ext/paint_simplifier.cc

-// 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.
-
-#include "skia/ext/paint_simplifier.h"
-#include "third_party/skia/include/core/SkPaint.h"
-#include "third_party/skia/include/core/SkShader.h"
-
-namespace skia {
-namespace {
-
-bool PaintHasBitmap(const SkPaint &paint) {
-  SkShader* shader = paint.getShader();
-  if (!shader)
-    return false;
-
-  if (shader->asAGradient(NULL) == SkShader::kNone_GradientType)
-    return false;
-
-  return shader->asABitmap(NULL, NULL, NULL) != SkShader::kNone_BitmapType;
-}
-
-}  // namespace
-
-PaintSimplifier::PaintSimplifier()
-  : INHERITED() {
-
-}
-
-PaintSimplifier::~PaintSimplifier() {
-
-}
-
-bool PaintSimplifier::filter(SkPaint* paint, Type type) {
-  // Bitmaps are expensive. Skip draw if type has a bitmap.
-  if (type == kBitmap_Type || PaintHasBitmap(*paint))
-    return false;
-
-  // Preserve a modicum of text quality; black & white text is
-  // just too blocky, even during a fling.
-  if (type != kText_Type) {
-    paint->setAntiAlias(false);
-  }
-  paint->setSubpixelText(false);
-  paint->setLCDRenderText(false);
-
-  paint->setMaskFilter(NULL);
-
-  // Uncomment this line to shade simplified tiles pink during debugging.
-  //paint->setColor(SkColorSetRGB(255, 127, 127));
-
-  return true;
-}
-
-
-}  // namespace skia
-
-

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
-

skia/skia_chrome.gypi

@@ -56,8 +56,6 @@
     'ext/lazy_pixel_ref.h',
     'ext/opacity_draw_filter.cc',
     'ext/opacity_draw_filter.h',
-    'ext/paint_simplifier.cc',
-    'ext/paint_simplifier.h',
     'ext/pixel_ref_utils.cc',
     'ext/pixel_ref_utils.h',
     'ext/platform_canvas.cc',