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

Source/core/rendering/RenderBlockLineLayout.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All right reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "config.h"
 
+#include "RuntimeEnabledFeatures.h"
 #include "core/platform/text/BidiResolver.h"
 #include "core/rendering/InlineIterator.h"
 #include "core/rendering/InlineTextBox.h"
 #include "core/rendering/RenderCombineText.h"
 #include "core/rendering/RenderCounter.h"
 #include "core/rendering/RenderFlowThread.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderListMarker.h"
 #include "core/rendering/RenderRegion.h"
@@ skipping 916 matching lines @@
         else
             updateLogicalWidthForLeftAlignedBlock(style()->isLeftToRightDirection(), trailingSpaceRun, logicalLeft, totalLogicalWidth, availableLogicalWidth);
         break;
     }
 }
 
 static IndentTextOrNot requiresIndent(bool isFirstLine, bool isAfterHardLineBreak, RenderStyle* style)
 {
     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;
 }
 
 static void updateLogicalInlinePositions(RenderBlock* block, float& lineLogicalLeft, float& lineLogicalRight, float& availableLogicalWidth, bool firstLine, IndentTextOrNot shouldIndentText, LayoutUnit boxLogicalHeight)
 {
     LayoutUnit lineLogicalHeight = logicalHeightForLine(block, firstLine, boxLogicalHeight);
     lineLogicalLeft = block->pixelSnappedLogicalLeftOffsetForLine(block->logicalHeight(), shouldIndentText == IndentText, lineLogicalHeight);
     lineLogicalRight = block->pixelSnappedLogicalRightOffsetForLine(block->logicalHeight(), shouldIndentText == IndentText, lineLogicalHeight);
     availableLogicalWidth = lineLogicalRight - lineLogicalLeft;
 }
 
 void RenderBlock::computeInlineDirectionPositionsForLine(RootInlineBox* lineBox, const LineInfo& lineInfo, BidiRun* firstRun, BidiRun* trailingSpaceRun, bool reachedEnd,
                                                          GlyphOverflowAndFallbackFontsMap& textBoxDataMap, VerticalPositionCache& verticalPositionCache, WordMeasurements& wordMeasurements)
 {
     ETextAlign textAlign = textAlignmentForLine(!reachedEnd && !lineBox->endsWithBreak());
 
     // 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();
     IndentTextOrNot shouldIndentText = requiresIndent(isFirstLine, isAfterHardLineBreak, style());
     float lineLogicalLeft;
     float lineLogicalRight;
     float availableLogicalWidth;
     updateLogicalInlinePositions(this, lineLogicalLeft, lineLogicalRight, availableLogicalWidth, isFirstLine, shouldIndentText, 0);
     bool needsWordSpacing;
     ShapeInsideInfo* shapeInsideInfo = layoutShapeInsideInfo();
@@ skipping 2482 matching lines @@
     lineGridBox->alignBoxesInBlockDirection(logicalHeight(), textBoxDataMap, verticalPositionCache);
 
     setLineGridBox(lineGridBox);
 
     // FIXME: If any of the characteristics of the box change compared to the old one, then we need to do a deep dirtying
     // (similar to what happens when the page height changes). Ideally, though, we only do this if someone is actually snapping
     // to this grid.
 }
 
 }