color: Clarify default behaviors

ui/gfx/color_transform_unittest.cc

Index: ui/gfx/color_transform_unittest.cc
diff --git a/ui/gfx/color_transform_unittest.cc b/ui/gfx/color_transform_unittest.cc
index 5a8882672f7ffb9933581876b9e30bc86ba7d9ae..0a9caa8be92256599aef2e27a8ba90b1fd0c9f29 100644
--- a/ui/gfx/color_transform_unittest.cc
+++ b/ui/gfx/color_transform_unittest.cc
@@ -39,7 +39,6 @@ ColorSpace::TransferID all_transfers[] = {
 
 ColorSpace::MatrixID all_matrices[] = {
     ColorSpace::MatrixID::RGB, ColorSpace::MatrixID::BT709,
-    ColorSpace::MatrixID::UNSPECIFIED, ColorSpace::MatrixID::RESERVED,
     ColorSpace::MatrixID::FCC, ColorSpace::MatrixID::BT470BG,
     ColorSpace::MatrixID::SMPTE170M, ColorSpace::MatrixID::SMPTE240M,
 
@@ -51,8 +50,7 @@ ColorSpace::MatrixID all_matrices[] = {
     ColorSpace::MatrixID::YDZDX,
 };
 
-ColorSpace::RangeID all_ranges[] = {ColorSpace::RangeID::UNSPECIFIED,
-                                    ColorSpace::RangeID::FULL,
+ColorSpace::RangeID all_ranges[] = {ColorSpace::RangeID::FULL,
                                     ColorSpace::RangeID::LIMITED,
                                     ColorSpace::RangeID::DERIVED};