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

Source/core/rendering/RenderBlockLineLayout.cpp

Index: Source/core/rendering/RenderBlockLineLayout.cpp
diff --git a/Source/core/rendering/RenderBlockLineLayout.cpp b/Source/core/rendering/RenderBlockLineLayout.cpp
index 4c399dbbc41e8a639de41bd7f04f78c3c1c1043f..72a0594e77aa87439ee907edac2c210e31a01239 100644
--- a/Source/core/rendering/RenderBlockLineLayout.cpp
+++ b/Source/core/rendering/RenderBlockLineLayout.cpp
@@ -22,6 +22,7 @@
 
 #include "config.h"
 
+#include "RuntimeEnabledFeatures.h"
 #include "core/platform/text/BidiResolver.h"
 #include "core/rendering/InlineIterator.h"
 #include "core/rendering/InlineTextBox.h"
@@ -958,13 +959,9 @@ static IndentTextOrNot requiresIndent(bool isFirstLine, bool isAfterHardLineBrea
 {
     if (isFirstLine)
         return IndentText;
-#if ENABLE(CSS3_TEXT)
-    if (isAfterHardLineBreak && style->textIndentLine() == TextIndentEachLine)
+    if (RuntimeEnabledFeatures::css3TextEnabled() && isAfterHardLineBreak && style->textIndentLine() == TextIndentEachLine)

[Julien - ping for review, 2013/08/21 01:50:08]

This is unneeded. If CSS3 Text is not enabled, we shouldn't allow
TextIndexEachLine as a value and this should be dead code.

[jaehun, 2013/08/21 05:51:02]

Done.

         return IndentText;
-#else
-    UNUSED_PARAM(isAfterHardLineBreak);
-    UNUSED_PARAM(style);
-#endif
+
     return DoNotIndentText;
 }
 
@@ -983,7 +980,7 @@ void RenderBlock::computeInlineDirectionPositionsForLine(RootInlineBox* lineBox,
 
     // CSS 2.1: "'Text-indent' only affects a line if it is the first formatted line of an element. For example, the first line of an anonymous block
     // box is only affected if it is the first child of its parent element."
-    // CSS3 "text-indent", "-webkit-each-line" affects the first line of the block container as well as each line after a forced line break,
+    // CSS3 "text-indent", "each-line" affects the first line of the block container as well as each line after a forced line break,
     // but does not affect lines after a soft wrap break.
     bool isFirstLine = lineInfo.isFirstLine() && !(isAnonymousBlock() && parent()->firstChild() != this);
     bool isAfterHardLineBreak = lineBox->prevRootBox() && lineBox->prevRootBox()->endsWithBreak();