color: Remove blink pre-conversion code

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

Index: third_party/WebKit/Source/platform/graphics/PlaceholderImage.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/PlaceholderImage.cpp b/third_party/WebKit/Source/platform/graphics/PlaceholderImage.cpp
index dd2bab01b5b2cade43810c85872f14c94889b277..48f33db04130f7afd6aede79285bf6ac422bccec 100644
--- a/third_party/WebKit/Source/platform/graphics/PlaceholderImage.cpp
+++ b/third_party/WebKit/Source/platform/graphics/PlaceholderImage.cpp
@@ -54,10 +54,7 @@ void PlaceholderImage::draw(PaintCanvas* canvas,
                             const FloatRect& destRect,
                             const FloatRect& srcRect,
                             RespectImageOrientationEnum,
-                            ImageClampingMode,
-                            const ColorBehavior& colorBehavior) {
-  // TODO(ccameron): This function should not ignore |colorBehavior|.
-  // https://crbug.com/672306
+                            ImageClampingMode) {
   if (!srcRect.intersects(FloatRect(0.0f, 0.0f,
                                     static_cast<float>(m_size.width()),
                                     static_cast<float>(m_size.height())))) {