color: Add histograms for gamut

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

 /*
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 157 matching lines @@
     return 0;
 
   ImageFrame* frame = &m_frameBufferCache[index];
   if (frame->getStatus() != ImageFrame::FrameComplete) {
     PlatformInstrumentation::willDecodeImage(filenameExtension());
     decode(index);
     PlatformInstrumentation::didDecodeImage();
   }
 
   if (!m_hasHistogrammedColorSpace) {
-    BitmapImageMetrics::countImageGamma(m_embeddedColorSpace.get());
+    BitmapImageMetrics::countImageGammaAndGamut(m_embeddedColorSpace.get());
     m_hasHistogrammedColorSpace = true;
   }
 
   frame->notifyBitmapIfPixelsChanged();
   return frame;
 }
 
 bool ImageDecoder::frameHasAlphaAtIndex(size_t index) const {
   return !frameIsCompleteAtIndex(index) || m_frameBufferCache[index].hasAlpha();
 }
@@ skipping 353 matching lines @@
 sk_sp<SkColorSpace> ImageDecoder::colorSpaceForSkImages() const {
   if (!m_colorBehavior.isTag())
     return nullptr;
 
   if (m_embeddedColorSpace)
     return m_embeddedColorSpace;
   return SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named);
 }
 
 }  // namespace blink