Remove dependency on ui::ScaleFactor from ui/gfx

ui/gfx/image/image_util.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_util.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace gfx {
 
 // The iOS implementations of the JPEG functions are in image_util_ios.mm.
 #if !defined(OS_IOS)
 Image ImageFrom1xJPEGEncodedData(const unsigned char* input,
                                  size_t input_size) {
   scoped_ptr<SkBitmap> bitmap(gfx::JPEGCodec::Decode(input, input_size));
   if (bitmap.get())
     return Image::CreateFrom1xBitmap(*bitmap);
 
   return Image();
 }
 
 bool JPEG1xEncodedDataFromImage(const Image& image, int quality,
                               std::vector<unsigned char>* dst) {
   const gfx::ImageSkiaRep& image_skia_rep =
-      image.AsImageSkia().GetRepresentation(ui::SCALE_FACTOR_100P);
-  if (image_skia_rep.scale_factor() != ui::SCALE_FACTOR_100P)
+      image.AsImageSkia().GetRepresentation(1.0f);
+  if (image_skia_rep.scale() != 1.0f)
     return false;
 
   const SkBitmap& bitmap = image_skia_rep.sk_bitmap();
   SkAutoLockPixels bitmap_lock(bitmap);
 
   if (!bitmap.readyToDraw())
     return false;
 
   return gfx::JPEGCodec::Encode(
           reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)),
           gfx::JPEGCodec::FORMAT_SkBitmap, bitmap.width(),
           bitmap.height(),
           static_cast<int>(bitmap.rowBytes()), quality,
           dst);
 }
 #endif  // !defined(OS_IOS)
 
 }