Deprecate the unofficial -webkit-transition media feature

Source/core/css/MediaQueryEvaluator.cpp

Index: Source/core/css/MediaQueryEvaluator.cpp
diff --git a/Source/core/css/MediaQueryEvaluator.cpp b/Source/core/css/MediaQueryEvaluator.cpp
index d1aa3f74b23342f292cac7de4e29f9d4ac323a69..a85d8b0f670f183849dd307df7dee5668dd49a56 100644
--- a/Source/core/css/MediaQueryEvaluator.cpp
+++ b/Source/core/css/MediaQueryEvaluator.cpp
@@ -563,6 +563,14 @@ static bool transitionMediaFeatureEval(CSSValue* value, RenderStyle*, Frame*, Me
     return true;
 }
 
+// Legacy prefixed version.
+static bool webkitTransitionMediaFeatureEval(CSSValue* value, RenderStyle*, Frame* frame, MediaFeaturePrefix op)
+{
+    frame->document()->addConsoleMessage(CSSMessageSource, DebugMessageLevel,

[Use mkwst_at_chromium.org plz., 2013/05/13 14:43:21]

Please use UseCounter::countDeprecation instead, as outlined on
https://sites.google.com/a/chromium.org/dev/blink?pli=1#TOC-Launch-Process:-D...

+        "The (-webkit-transition) media query feature is deprecated; please consider using (transition) instead.");
+    return transitionMediaFeatureEval(value, 0, 0, op);
+}
+
 static bool transform2dMediaFeatureEval(CSSValue* value, RenderStyle*, Frame*, MediaFeaturePrefix op)
 {
     if (value) {