Make pseudo element update work with LocalStyleChange.

Source/core/rendering/style/RenderStyleConstants.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 13 matching lines @@
  */
 
 #ifndef RenderStyleConstants_h
 #define RenderStyleConstants_h
 
 namespace WebCore {
 
 enum StyleRecalcChange {
     NoChange,
     NoInherit,
+    UpdatePseudoElements,
     Inherit,
     Force,
     Reattach,
 };
 
 static const size_t PrintColorAdjustBits = 1;
 enum PrintColorAdjust {
     PrintColorAdjustEconomy,
     PrintColorAdjustExact
 };
@@ skipping 35 matching lines @@
 enum PseudoId {
     // The order must be NOP ID, public IDs, and then internal IDs.
     // If you add or remove a public ID, you must update _pseudoBits in RenderStyle.
     NOPSEUDO, FIRST_LINE, FIRST_LETTER, BEFORE, AFTER, BACKDROP, SELECTION, FIRST_LINE_INHERITED, SCROLLBAR,
     // Internal IDs follow:
     SCROLLBAR_THUMB, SCROLLBAR_BUTTON, SCROLLBAR_TRACK, SCROLLBAR_TRACK_PIECE, SCROLLBAR_CORNER, RESIZER, INPUT_LIST_BUTTON,
     // Special values follow:
     AFTER_LAST_INTERNAL_PSEUDOID,
     FIRST_PUBLIC_PSEUDOID = FIRST_LINE,
     FIRST_INTERNAL_PSEUDOID = SCROLLBAR_THUMB,
-    PUBLIC_PSEUDOID_MASK = ((1 << FIRST_INTERNAL_PSEUDOID) - 1) & ~((1 << FIRST_PUBLIC_PSEUDOID) - 1)
+    PUBLIC_PSEUDOID_MASK = ((1 << FIRST_INTERNAL_PSEUDOID) - 1) & ~((1 << FIRST_PUBLIC_PSEUDOID) - 1),
+    CONTENT_PSEUDOID_MASK = (1 << (BEFORE - 1)) | (1 << (AFTER - 1)) | (1 << (BACKDROP - 1))
 };
 
 enum ColumnFill { ColumnFillBalance, ColumnFillAuto };
 
 enum ColumnSpan { ColumnSpanNone = 0, ColumnSpanAll };
 
 enum EBorderCollapse { BSEPARATE = 0, BCOLLAPSE = 1 };
 
 // These have been defined in the order of their precedence for border-collapsing. Do
 // not change this order! This order also must match the order in CSSValueKeywords.in.
@@ skipping 455 matching lines @@
 // Reasonable maximum to prevent insane font sizes from causing crashes on some platforms (such as Windows).
 static const float maximumAllowedFontSize = 1000000.0f;
 
 enum TextIndentLine { TextIndentFirstLine, TextIndentEachLine };
 
 enum LayoutBox { BoxMissing = 0, MarginBox, BorderBox, PaddingBox, ContentBox };
 
 } // namespace WebCore
 
 #endif // RenderStyleConstants_h