Hooks up framework wide gamut color to the engine.

Author: gaaclarke

lib/ui/painting/paint.cc

@@ -71,14 +71,8 @@ DlColor ReadColor(const tonic::DartByteData& byte_data) {
   // Invert alpha so 0 initialized buffer has default value;
   float alpha = 1.f - float_data[kColorAlphaIndex];
   uint32_t colorspace = uint_data[kColorSpaceIndex];
-  (void)colorspace;
-  uint32_t encoded_color =
-      static_cast<uint8_t>(std::round(alpha * 255.f)) << 24 |  //
-      static_cast<uint8_t>(std::round(red * 255.f)) << 16 |    //
-      static_cast<uint8_t>(std::round(green * 255.f)) << 8 |   //
-      static_cast<uint8_t>(std::round(blue * 255.f)) << 0;
-  // TODO(gaaclarke): Pass down color info to DlColor.
-  return DlColor(encoded_color);
+  return DlColor(alpha, red, green, blue,
+                 static_cast<DlColorSpace>(colorspace));
 }
 }  // namespace