Use the runtime flag and remove '-webkit-' prefix for CSS3 text-indent.

Source/core/css/CSSComputedStyleDeclaration.cpp

Index: Source/core/css/CSSComputedStyleDeclaration.cpp
diff --git a/Source/core/css/CSSComputedStyleDeclaration.cpp b/Source/core/css/CSSComputedStyleDeclaration.cpp
index 1dc71f29cd2d8c39b5c356e2912ef5eb1d58c039..a085140fa55031a7a3fb250e203557c3e2fb18c7 100644
--- a/Source/core/css/CSSComputedStyleDeclaration.cpp
+++ b/Source/core/css/CSSComputedStyleDeclaration.cpp
@@ -2253,14 +2253,12 @@ PassRefPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropert
             }
         case CSSPropertyTextIndent: {
             RefPtr<CSSValue> textIndent = zoomAdjustedPixelValueForLength(style->textIndent(), style.get());
-#if ENABLE(CSS3_TEXT)
-            if (style->textIndentLine() == TextIndentEachLine) {
+            if (RuntimeEnabledFeatures::css3TextEnabled() && style->textIndentLine() == TextIndentEachLine) {

[Julien - ping for review, 2013/08/21 23:54:50]

Let's keep in mind that we would like to test this once we have a test suite for
stable behavior (which should be today or tomorrow).

                 RefPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
                 list->append(textIndent.release());
-                list->append(cssValuePool().createIdentifierValue(CSSValueWebkitEachLine));
+                list->append(cssValuePool().createIdentifierValue(CSSValueEachLine));
                 return list.release();
             }
-#endif
             return textIndent.release();
         }
         case CSSPropertyTextShadow: