Add CSS parser support for break-after, break-before and break-inside.

third_party/WebKit/Source/core/style/ComputedStyle.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. 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.
  *
@@ skipping 49 matching lines @@
 struct SameSizeAsComputedStyle : public RefCounted<SameSizeAsComputedStyle> {
     void* dataRefs[7];
     void* ownPtrs[1];
     void* dataRefSvgStyle;
 
     struct InheritedFlags {
         unsigned m_bitfields[2];
     } inherited_flags;
 
     struct NonInheritedFlags {
-        unsigned m_bitfields[2];
+        unsigned m_bitfields[3];
     } noninherited_flags;
 };
 
 static_assert(sizeof(ComputedStyle) == sizeof(SameSizeAsComputedStyle), "ComputedStyle should stay small");
 
 PassRefPtr<ComputedStyle> ComputedStyle::create()
 {
     return adoptRef(new ComputedStyle());
 }
 
@@ skipping 21 matching lines @@
     , visual(initialStyle()->visual)
     , m_background(initialStyle()->m_background)
     , surround(initialStyle()->surround)
     , rareNonInheritedData(initialStyle()->rareNonInheritedData)
     , rareInheritedData(initialStyle()->rareInheritedData)
     , inherited(initialStyle()->inherited)
     , m_svgStyle(initialStyle()->m_svgStyle)
 {
     setBitDefaults(); // Would it be faster to copy this from the default style?
     static_assert((sizeof(InheritedFlags) <= 8), "InheritedFlags should not grow");
-    static_assert((sizeof(NonInheritedFlags) <= 8), "NonInheritedFlags should not grow");
+    static_assert((sizeof(NonInheritedFlags) <= 12), "NonInheritedFlags should not grow");
 }
 
 ALWAYS_INLINE ComputedStyle::ComputedStyle(InitialStyleTag)
 {
     setBitDefaults();
 
     m_box.init();
     visual.init();
     m_background.init();
     surround.init();
@@ skipping 160 matching lines @@
     noninherited_flags.originalDisplay = other.noninherited_flags.originalDisplay;
     noninherited_flags.overflowX = other.noninherited_flags.overflowX;
     noninherited_flags.overflowY = other.noninherited_flags.overflowY;
     noninherited_flags.verticalAlign = other.noninherited_flags.verticalAlign;
     noninherited_flags.clear = other.noninherited_flags.clear;
     noninherited_flags.position = other.noninherited_flags.position;
     noninherited_flags.floating = other.noninherited_flags.floating;
     noninherited_flags.tableLayout = other.noninherited_flags.tableLayout;
     noninherited_flags.unicodeBidi = other.noninherited_flags.unicodeBidi;
     noninherited_flags.hasViewportUnits = other.noninherited_flags.hasViewportUnits;
-    noninherited_flags.pageBreakBefore = other.noninherited_flags.pageBreakBefore;
-    noninherited_flags.pageBreakAfter = other.noninherited_flags.pageBreakAfter;
-    noninherited_flags.pageBreakInside = other.noninherited_flags.pageBreakInside;
+    noninherited_flags.breakBefore = other.noninherited_flags.breakBefore;
+    noninherited_flags.breakAfter = other.noninherited_flags.breakAfter;
+    noninherited_flags.breakInside = other.noninherited_flags.breakInside;
     noninherited_flags.hasRemUnits = other.noninherited_flags.hasRemUnits;
 
     // Correctly set during selector matching:
     // noninherited_flags.styleType
     // noninherited_flags.pseudoBits
 
     // Set correctly while computing style for children:
     // noninherited_flags.explicitInheritance
 
     // unique() styles are not cacheable.
@@ skipping 1568 matching lines @@
     if (!shadowList)
         return false;
     for (size_t i = shadowList->shadows().size(); i--; ) {
         if (shadowList->shadows()[i].color().isCurrentColor())
             return true;
     }
     return false;
 }
 
 } // namespace blink