color: Remove blink pre-conversion code

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

 // 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.
 
 #ifndef PlaceholderImage_h
 #define PlaceholderImage_h
 
 #include "platform/SharedBuffer.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/Image.h"
@@ skipping 19 matching lines @@
 
   IntSize size() const override { return m_size; }
 
   sk_sp<SkImage> imageForCurrentFrame(const ColorBehavior&) override;
 
   void draw(PaintCanvas*,
             const PaintFlags&,
             const FloatRect& destRect,
             const FloatRect& srcRect,
             RespectImageOrientationEnum,
-            ImageClampingMode,
-            const ColorBehavior&) override;
+            ImageClampingMode) override;
 
   void destroyDecodedData() override;
 
  private:
   PlaceholderImage(ImageObserver* observer, const IntSize& size)
       : Image(observer), m_size(size) {}
 
   bool currentFrameHasSingleSecurityOrigin() const override { return true; }
 
   bool currentFrameKnownToBeOpaque(MetadataMode = UseCurrentMetadata) override {
     // Placeholder images are translucent.
     return false;
   }
 
   IntSize m_size;
   // Lazily initialized.
   sk_sp<SkImage> m_imageForCurrentFrame;
 };
 
 }  // namespace blink
 
 #endif