Revert 224473 "Remove dependency on ui::ScaleFactor from ui/gfx"

trunk/src/ui/gfx/image/image_skia_rep.cc

 // 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.
 
 #include "ui/gfx/image/image_skia_rep.h"
 
 namespace gfx {
 
-ImageSkiaRep::ImageSkiaRep() : scale_(1.0f) {
+ImageSkiaRep::ImageSkiaRep()
+    : scale_factor_(ui::SCALE_FACTOR_NONE) {
 }
 
 ImageSkiaRep::~ImageSkiaRep() {
 }
 
-ImageSkiaRep::ImageSkiaRep(const gfx::Size& size, float scale) : scale_(scale) {
+ImageSkiaRep::ImageSkiaRep(const gfx::Size& size,
+                           ui::ScaleFactor scale_factor)
+    : scale_factor_(scale_factor) {
+  float scale = ui::GetScaleFactorScale(scale_factor);
   bitmap_.setConfig(SkBitmap::kARGB_8888_Config,
                     static_cast<int>(size.width() * scale),
                     static_cast<int>(size.height() * scale));
   bitmap_.allocPixels();
 }
 
-ImageSkiaRep::ImageSkiaRep(const SkBitmap& src, float scale)
+ImageSkiaRep::ImageSkiaRep(const SkBitmap& src,
+                           ui::ScaleFactor scale_factor)
     : bitmap_(src),
-      scale_(scale) {
+      scale_factor_(scale_factor) {
 }
 
 int ImageSkiaRep::GetWidth() const {
-  return static_cast<int>(bitmap_.width() / scale_);
+  return static_cast<int>(bitmap_.width() /
+      ui::GetScaleFactorScale(scale_factor_));
 }
 
 int ImageSkiaRep::GetHeight() const {
-  return static_cast<int>(bitmap_.height() / scale_);
+  return static_cast<int>(bitmap_.height() /
+      ui::GetScaleFactorScale(scale_factor_));
+}
+
+float ImageSkiaRep::GetScale() const {
+  return ui::GetScaleFactorScale(scale_factor_);
 }
 
 }  // namespace gfx