Fix HDR LUTs

ui/gfx/color_space.h

 // 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.
 
 #ifndef UI_GFX_COLOR_SPACE_H_
 #define UI_GFX_COLOR_SPACE_H_
 
 #include <stdint.h>
 #include <ostream>
 
@@ skipping 137 matching lines @@
   // TODO: Remove these, and replace with more generic constructors.
   static ColorSpace CreateJpeg();
   static ColorSpace CreateREC601();
   static ColorSpace CreateREC709();
 
   bool operator==(const ColorSpace& other) const;
   bool operator!=(const ColorSpace& other) const;
   bool operator<(const ColorSpace& other) const;
   std::string ToString() const;
 
+  // Returns true if the decoded values can be outside of the 0.0-1.0 range.
   bool IsHDR() const;
+  // Returns true if the encoded values can be outside of the 0.0-1.0 range.
+  bool FullRangeEncodedValues() const;
 
   // Return this color space with any range adjust or YUV to RGB conversion
   // stripped off.
   gfx::ColorSpace GetAsFullRangeRGB() const;
 
   // This will return nullptr for non-RGB spaces, spaces with non-FULL
   // range, and unspecified spaces.
   sk_sp<SkColorSpace> ToSkColorSpace() const;
 
   // Return an SkColorSpace that represents this color space, with output-space
@@ skipping 44 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(SimpleColorSpace, GetColorSpace);
 };
 
 // Stream operator so ColorSpace can be used in assertion statements.
 GFX_EXPORT std::ostream& operator<<(std::ostream& out,
                                     const ColorSpace& color_space);
 
 }  // namespace gfx
 
 #endif  // UI_GFX_COLOR_SPACE_H_