Display linear-srgb color managed canvas

ui/gfx/color_space.cc

 // Copyright (c) 2012 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.
 
 #include "ui/gfx/color_space.h"
 
 #include <map>
 
 #include "base/lazy_instance.h"
 #include "base/synchronization/lock.h"
@@ skipping 126 matching lines @@
       return false;
   }
   return false;
 }
 
 sk_sp<SkColorSpace> ColorSpace::ToSkColorSpace() const {
   // Unspecified color spaces are represented as nullptr SkColorSpaces.
   if (*this == gfx::ColorSpace())
     return nullptr;
 
+  // Check for srgb and linear-srgb

[ccameron, 2016/11/11 20:00:44]

Thanks, sorry for leaving this part unimplemented.

+  if (primaries_ == PrimaryID::BT709 && matrix_ == MatrixID::RGB
+      && range_ == RangeID::FULL) {
+    if (transfer_ == TransferID::IEC61966_2_1)
+        return SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named);
+    else if (transfer_ == TransferID::BT709)
+        return SkColorSpace::MakeNamed(SkColorSpace::kSRGBLinear_Named);
+  }
+
   // TODO(crbug.com/634102): Support more than just ICC profile based color
   // spaces. The DCHECK here is to ensure that callers that expect a valid
   // result are notified of this incomplete functionality.
   std::vector<char> icc_data = gfx::ICCProfile::FromColorSpace(*this).GetData();
   sk_sp<SkColorSpace> result =
       SkColorSpace::MakeICC(icc_data.data(), icc_data.size());
   DCHECK(result);
   return result;
 }
 
 ColorSpace ColorSpace::FromSkColorSpace(
     const sk_sp<SkColorSpace>& sk_color_space) {
   if (!sk_color_space)
     return gfx::ColorSpace();
 
   // TODO(crbug.com/634102): Add conversion to gfx::ColorSpace.
   return gfx::ColorSpace();
 }
 
 }  // namespace gfx