Deprecate the unofficial -webkit-transition media feature

Source/core/css/MediaQueryExp.cpp

Index: Source/core/css/MediaQueryExp.cpp
diff --git a/Source/core/css/MediaQueryExp.cpp b/Source/core/css/MediaQueryExp.cpp
index fdfe564875fdf819d858c7eee7cdd65012d790cd..5a313ccd9402463c599cc6e49ccc524336ee9e51 100644
--- a/Source/core/css/MediaQueryExp.cpp
+++ b/Source/core/css/MediaQueryExp.cpp
@@ -101,6 +101,7 @@ static inline bool featureWithPositiveNumber(const AtomicString& mediaFeature, c
     return mediaFeature == MediaFeatureNames::transform2dMediaFeature
         || mediaFeature == MediaFeatureNames::transform3dMediaFeature
         || mediaFeature == MediaFeatureNames::transitionMediaFeature
+        || mediaFeature == MediaFeatureNames::webkitTransitionMediaFeature
         || mediaFeature == MediaFeatureNames::animationMediaFeature
         || mediaFeature == MediaFeatureNames::devicePixelRatioMediaFeature
         || mediaFeature == MediaFeatureNames::maxDevicePixelRatioMediaFeature
@@ -144,6 +145,7 @@ static inline bool featureWithoutValue(const AtomicString& mediaFeature)
         || mediaFeature == MediaFeatureNames::transform2dMediaFeature
         || mediaFeature == MediaFeatureNames::transform3dMediaFeature
         || mediaFeature == MediaFeatureNames::transitionMediaFeature
+        || mediaFeature == MediaFeatureNames::webkitTransitionMediaFeature
         || mediaFeature == MediaFeatureNames::animationMediaFeature
         || mediaFeature == MediaFeatureNames::viewModeMediaFeature
         || mediaFeature == MediaFeatureNames::pointerMediaFeature