Use UMA to track characteristics of dst color spaces

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
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *  Library General Public License for more details.
  *
  *  You should have received a copy of the GNU Library General Public License
  *  along with this library; see the file COPYING.LIB.  If not, write to
  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  *  Boston, MA 02110-1301, USA.
  *
  */
 
 #include "platform/image-decoders/ImageDecoder.h"
 
 #include "platform/PlatformInstrumentation.h"
+#include "platform/graphics/BitmapImageMetrics.h"
 #include "platform/image-decoders/bmp/BMPImageDecoder.h"
 #include "platform/image-decoders/gif/GIFImageDecoder.h"
 #include "platform/image-decoders/ico/ICOImageDecoder.h"
 #include "platform/image-decoders/jpeg/JPEGImageDecoder.h"
 #include "platform/image-decoders/png/PNGImageDecoder.h"
 #include "platform/image-decoders/webp/WEBPImageDecoder.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
 namespace blink {
@@ skipping 274 matching lines @@
     if (profile.isEmpty())
         return;
 
     // Take a lock around initializing and accessing the global device color profile.
     SpinLock::Guard guard(gTargetColorProfileLock);
 
     // Layout tests expect that only the first call will take effect.
     if (gTargetColorProfile)
         return;
 
+    {
+        sk_sp<SkColorSpace> colorSpace = SkColorSpace::NewICC(profile.data(), profile.size());
+        BitmapImageMetrics::countGamma(colorSpace.get());
+    }
+
     // FIXME: Add optional ICCv4 support and support for multiple monitors.
     gTargetColorProfile = qcms_profile_from_memory(profile.data(), profile.size());
     if (!gTargetColorProfile)
         return;
 
     if (qcms_profile_is_bogus(gTargetColorProfile)) {
         qcms_profile_release(gTargetColorProfile);
         gTargetColorProfile = nullptr;
         return;
     }
@@ skipping 55 matching lines @@
 }
 
 bool ImageDecoder::hasColorProfile() const
 {
     return false;
 }
 
 #endif // USE(QCMSLIB)
 
 } // namespace blink