Add some plumbing for the color management of canvases

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

 /*
  * 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 20 matching lines @@
 #include "platform/graphics/UnacceleratedImageBufferSurface.h"
 
 #include "platform/graphics/skia/SkiaUtils.h"
 #include "third_party/skia/include/core/SkSurface.h"
 #include "wtf/PassRefPtr.h"
 
 class SkCanvas;
 
 namespace blink {
 
-UnacceleratedImageBufferSurface::UnacceleratedImageBufferSurface(const IntSize& size, OpacityMode opacityMode, ImageInitializationMode initializationMode)
-    : ImageBufferSurface(size, opacityMode)
+UnacceleratedImageBufferSurface::UnacceleratedImageBufferSurface(const IntSize& size, OpacityMode opacityMode, ImageInitializationMode initializationMode, sk_sp<SkColorSpace> colorSpace)
+    : ImageBufferSurface(size, opacityMode, colorSpace)
 {
     SkAlphaType alphaType = (Opaque == opacityMode) ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
-    SkImageInfo info = SkImageInfo::MakeN32(size.width(), size.height(), alphaType);
+    SkImageInfo info = SkImageInfo::MakeN32(size.width(), size.height(), alphaType, colorSpace);
     SkSurfaceProps disableLCDProps(0, kUnknown_SkPixelGeometry);
     m_surface = SkSurface::MakeRaster(info, Opaque == opacityMode ? 0 : &disableLCDProps);
 
     if (initializationMode == InitializeImagePixels) {
         if (m_surface)
             clear();
     }
 }
 
 UnacceleratedImageBufferSurface::~UnacceleratedImageBufferSurface() { }
 
 SkCanvas* UnacceleratedImageBufferSurface::canvas()
 {
     return m_surface->getCanvas();
 }
 
 bool UnacceleratedImageBufferSurface::isValid() const
 {
     return m_surface;
 }
 
 PassRefPtr<SkImage> UnacceleratedImageBufferSurface::newImageSnapshot(AccelerationHint, SnapshotReason)
 {
     return fromSkSp(m_surface->makeImageSnapshot());
 }
 
 } // namespace blink