Remove dependency on ui::ScaleFactor from ui/gfx

ui/gfx/image/image_unittest_util.h

 // 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.
 
 // Because the unit tests for gfx::Image are spread across multiple
 // implementation files, this header contains the reusable components.
 
 #ifndef UI_GFX_IMAGE_IMAGE_UNITTEST_UTIL_H_
 #define UI_GFX_IMAGE_IMAGE_UNITTEST_UTIL_H_
 
-#include "ui/base/layout.h"
 #include "ui/gfx/image/image.h"
 #include "third_party/skia/include/core/SkColor.h"
 
 namespace gfx {
 namespace test {
 
 #if defined(OS_IOS)
 typedef UIImage* PlatformImage;
 #elif defined(OS_MACOSX)
 typedef NSImage* PlatformImage;
 #elif defined(TOOLKIT_GTK)
 typedef GdkPixbuf* PlatformImage;
 #else
 typedef gfx::ImageSkia PlatformImage;
 #endif
 
-std::vector<ui::ScaleFactor> Get1xAnd2xScaleFactors();
+std::vector<float> Get1xAnd2xScales();
 
 // Create a bitmap of |width|x|height|.
 const SkBitmap CreateBitmap(int width, int height);
 
 // Creates an ImageSkia of |width|x|height| DIP with bitmap data for an
 // arbitrary scale factor.
 gfx::ImageSkia CreateImageSkia(int width, int height);
 
 // Returns PNG encoded bytes for a bitmap of |edge_size|x|edge_size|.
 scoped_refptr<base::RefCountedMemory> CreatePNGBytes(int edge_size);
@@ skipping 19 matching lines @@
 // described by |width|, |height|, and |scale_factors|.
 // The structure matches if:
 // - |image_skia| is non null.
 // - |image_skia| has ImageSkiaReps of |scale_factors|.
 // - Each of the ImageSkiaReps has a pixel size of |image_skia|.size() *
 //   scale_factor.
 bool ImageSkiaStructureMatches(
     const gfx::ImageSkia& image_skia,
     int width,
     int height,
-    const std::vector<ui::ScaleFactor>& scale_factors);
+    const std::vector<float>& scale_factors);
 
 bool IsEmpty(const gfx::Image& image);
 
 PlatformImage CreatePlatformImage();
 
 gfx::Image::RepresentationType GetPlatformRepresentationType();
 
 PlatformImage ToPlatformType(const gfx::Image& image);
 PlatformImage CopyPlatformType(const gfx::Image& image);
 
 SkColor GetPlatformImageColor(PlatformImage image, int x, int y);
 void CheckColors(SkColor color1, SkColor color2);
 void CheckIsTransparent(SkColor color);
 
 bool IsPlatformImageValid(PlatformImage image);
 
 bool PlatformImagesEqual(PlatformImage image1, PlatformImage image2);
 
 }  // namespace test
 }  // namespace gfx
 
 #endif  // UI_GFX_IMAGE_IMAGE_UNITTEST_UTIL_H_