Add ColorBehavior plumbing for 2D canvas drawImage

third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.cpp

 /*
  * Copyright (C) 2009 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 71 matching lines @@
         // So if CSS is color corrected from sRGB to display space, then
         // canvas must do the same
         return SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named);
       }
       return nullptr;
   };
   CHECK(false);
   return nullptr;
 }
 
+ColorBehavior CanvasRenderingContext::colorBehaviorForMediaDrawnToCanvas()
+    const {
+  sk_sp<SkColorSpace> colorSpace = skColorSpace();
+  if (colorSpace) {
+    return ColorBehavior::transformTo(std::move(colorSpace));
+  }
+  return ColorBehavior::transformToGlobalTarget();
+}
+
 SkColorType CanvasRenderingContext::colorType() const {
   switch (m_colorSpace) {
     case kLinearRGBCanvasColorSpace:
       return kRGBA_F16_SkColorType;
     default:
       return kN32_SkColorType;
   }
 }
 
 void CanvasRenderingContext::dispose() {
@@ skipping 62 matching lines @@
   }
   return taintOrigin;
 }
 
 DEFINE_TRACE(CanvasRenderingContext) {
   visitor->trace(m_canvas);
   visitor->trace(m_offscreenCanvas);
 }
 
 }  // namespace blink