Add ColorBehavior plumbing for 2D canvas drawImage

third_party/WebKit/Source/modules/csspaint/PaintRenderingContext2D.cpp

 // Copyright 2016 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.
 
 #include "modules/csspaint/PaintRenderingContext2D.h"
 
 #include "platform/graphics/ImageBuffer.h"
 #include <memory>
 
 namespace blink {
@@ skipping 29 matching lines @@
 bool PaintRenderingContext2D::parseColorOrCurrentColor(
     Color& color,
     const String& colorString) const {
   // We ignore "currentColor" for PaintRenderingContext2D and just make it
   // "black". "currentColor" can be emulated by having "color" as an input
   // property for the css-paint-api.
   // https://github.com/w3c/css-houdini-drafts/issues/133
   return ::blink::parseColorOrCurrentColor(color, colorString, nullptr);
 }
 
+ColorBehavior PaintRenderingContext2D::drawImageColorBehavior() const {
+  return ColorBehavior::transformToGlobalTarget();
+}
+
 SkCanvas* PaintRenderingContext2D::drawingCanvas() const {
   return m_imageBuffer->canvas();
 }
 
 SkCanvas* PaintRenderingContext2D::existingDrawingCanvas() const {
   ASSERT(m_imageBuffer);
   return m_imageBuffer->canvas();
 }
 
 AffineTransform PaintRenderingContext2D::baseTransform() const {
   ASSERT(m_imageBuffer);
   return m_imageBuffer->baseTransform();
 }
 
 void PaintRenderingContext2D::didDraw(const SkIRect& dirtyRect) {
   ASSERT(m_imageBuffer);
   return m_imageBuffer->didDraw(SkRect::Make(dirtyRect));
 }
 
 void PaintRenderingContext2D::validateStateStack() const {
 #if DCHECK_IS_ON()
   if (SkCanvas* skCanvas = existingDrawingCanvas()) {
     DCHECK_EQ(static_cast<size_t>(skCanvas->getSaveCount()),
               m_stateStack.size() + 1);
   }
 #endif
 }
 
 }  // namespace blink