Plumb CanvasColorParams to canvas image classes

third_party/WebKit/Source/platform/graphics/UnacceleratedImageBufferSurface.h

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 29 matching lines @@
 class PLATFORM_EXPORT UnacceleratedImageBufferSurface
     : public ImageBufferSurface {
   WTF_MAKE_NONCOPYABLE(UnacceleratedImageBufferSurface);
   USING_FAST_MALLOC(UnacceleratedImageBufferSurface);
 
  public:
   UnacceleratedImageBufferSurface(
       const IntSize&,
       OpacityMode = kNonOpaque,
       ImageInitializationMode = kInitializeImagePixels,
-      sk_sp<SkColorSpace> = nullptr,
-      SkColorType = kN32_SkColorType);
+      const CanvasColorParams& = CanvasColorParams(kLegacyCanvasColorSpace,
+                                                   kRGBA8CanvasPixelFormat));
   ~UnacceleratedImageBufferSurface() override;
 
   PaintCanvas* Canvas() override;
   bool IsValid() const override;
 
   sk_sp<SkImage> NewImageSnapshot(AccelerationHint, SnapshotReason) override;
 
  private:
   sk_sp<SkSurface> surface_;
   std::unique_ptr<PaintCanvas> canvas_;
 };
 
 }  // namespace blink
 
 #endif