Respect colorSpace in DecodingImageGenerator::onGetPixels()

third_party/WebKit/Source/platform/image-decoders/ImageDecoder.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) Research In Motion Limited 2009-2010. 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
@@ skipping 208 matching lines @@
   // has been baked into the pixel values.
   bool HasEmbeddedColorSpace() const { return embedded_color_space_.get(); }
 
   // Set the embedded color space directly or via ICC profile.
   void SetEmbeddedColorProfile(const char* icc_data, unsigned icc_length);
   void SetEmbeddedColorSpace(sk_sp<SkColorSpace> src_space);
 
   // Transformation from embedded color space to target color space.
   SkColorSpaceXform* ColorTransform();
 
+  AlphaOption GetAlphaOption() const {
+    return premultiply_alpha_ ? kAlphaPremultiplied : kAlphaNotPremultiplied;
+  }
+
   // Sets the "decode failure" flag.  For caller convenience (since so
   // many callers want to return false after calling this), returns false
   // to enable easy tailcalling.  Subclasses may override this to also
   // clean up any local data.
   virtual bool SetFailed() {
     failed_ = true;
     return false;
   }
 
   bool Failed() const { return failed_; }
@@ skipping 185 matching lines @@
   bool has_histogrammed_color_space_ = false;
 
   sk_sp<SkColorSpace> embedded_color_space_ = nullptr;
   bool source_to_target_color_transform_needs_update_ = false;
   std::unique_ptr<SkColorSpaceXform> source_to_target_color_transform_;
 };
 
 }  // namespace blink
 
 #endif