cc: Add color space to image decode caches

cc/paint/draw_image.h

 // Copyright 2015 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 CC_PAINT_DRAW_IMAGE_H_
 #define CC_PAINT_DRAW_IMAGE_H_
 
 #include "cc/paint/paint_export.h"
 #include "third_party/skia/include/core/SkFilterQuality.h"
 #include "third_party/skia/include/core/SkImage.h"
 #include "third_party/skia/include/core/SkMatrix.h"
 #include "third_party/skia/include/core/SkRect.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
+#include "ui/gfx/color_space.h"
 #include "ui/gfx/geometry/size_f.h"
 
 namespace cc {
 
 // TODO(vmpstr): This should probably be DISALLOW_COPY_AND_ASSIGN and transport
 // it around using a pointer, since it became kind of large. Profile.
 class CC_PAINT_EXPORT DrawImage {
  public:
   DrawImage();
   DrawImage(sk_sp<const SkImage> image,
             const SkIRect& src_rect,
             SkFilterQuality filter_quality,
-            const SkMatrix& matrix);
+            const SkMatrix& matrix,
+            const gfx::ColorSpace& target_color_space);
   DrawImage(const DrawImage& other);
   ~DrawImage();
 
   const sk_sp<const SkImage>& image() const { return image_; }
   const SkSize& scale() const { return scale_; }
   const SkIRect& src_rect() const { return src_rect_; }
   SkFilterQuality filter_quality() const { return filter_quality_; }
   bool matrix_is_decomposable() const { return matrix_is_decomposable_; }
   const SkMatrix& matrix() const { return matrix_; }
+  const gfx::ColorSpace& target_color_space() const {
+    return target_color_space_;
+  }
 
   DrawImage ApplyScale(float scale) const {
     SkMatrix scaled_matrix = matrix_;
     scaled_matrix.preScale(scale, scale);
-    return DrawImage(image_, src_rect_, filter_quality_, scaled_matrix);
+    return DrawImage(image_, src_rect_, filter_quality_, scaled_matrix,
+                     target_color_space_);
+  }
+  DrawImage ApplyTargetColorSpace(const gfx::ColorSpace& target_color_space) {
+    return DrawImage(image_, src_rect_, filter_quality_, matrix_,
+                     target_color_space);
   }
 
  private:
   sk_sp<const SkImage> image_;
   SkIRect src_rect_;
   SkFilterQuality filter_quality_;
   SkMatrix matrix_;
   SkSize scale_;
   bool matrix_is_decomposable_;
+  gfx::ColorSpace target_color_space_;
 };
 
 }  // namespace cc
 
 #endif  // CC_PAINT_DRAW_IMAGE_H_