Implementation of CSS3 nav-up/down/left/right properties from CSS3 UI.

Source/core/rendering/style/StyleRareNonInheritedData.cpp

Index: Source/core/rendering/style/StyleRareNonInheritedData.cpp
diff --git a/Source/core/rendering/style/StyleRareNonInheritedData.cpp b/Source/core/rendering/style/StyleRareNonInheritedData.cpp
index 57c810a017477e440462ba1bf3e15398238d1c43..3cb4756bf08ed594dfa320712cb504b575f0e12a 100644
--- a/Source/core/rendering/style/StyleRareNonInheritedData.cpp
+++ b/Source/core/rendering/style/StyleRareNonInheritedData.cpp
@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2014 Opera Software ASA. 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
@@ -126,6 +127,7 @@ StyleRareNonInheritedData::StyleRareNonInheritedData(const StyleRareNonInherited
     , m_transitions(o.m_transitions ? CSSTransitionData::create(*o.m_transitions) : nullptr)
     , m_mask(o.m_mask)
     , m_maskBoxImage(o.m_maskBoxImage)
+    , m_navigation(o.m_navigation)
     , m_pageSize(o.m_pageSize)
     , m_shapeOutside(o.m_shapeOutside)
     , m_shapeMargin(o.m_shapeMargin)
@@ -214,6 +216,7 @@ bool StyleRareNonInheritedData::operator==(const StyleRareNonInheritedData& o) c
         && reflectionDataEquivalent(o)
         && animationDataEquivalent(o)
         && transitionDataEquivalent(o)
+        && m_navigation == o.m_navigation
         && m_mask == o.m_mask
         && m_maskBoxImage == o.m_maskBoxImage
         && m_pageSize == o.m_pageSize