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

third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp

Index: third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp b/third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp
index 952f98efbcdb3c11d8ef22deeb40ae8246ca68c0..c8fd814cfaacddd46db9aeaa8c473278eb869e09 100644
--- a/third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp
+++ b/third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp
@@ -4,6 +4,8 @@
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
+ * Copyright (C) 2014 Opera Software ASA. All rights reserved.
+ * Copyright (C) 2016 Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -130,6 +132,10 @@ static const CSSPropertyID staticComputableProperties[] = {
     CSSPropertyMaxWidth,
     CSSPropertyMinHeight,
     CSSPropertyMinWidth,
+    CSSPropertyNavDown,
+    CSSPropertyNavLeft,
+    CSSPropertyNavRight,
+    CSSPropertyNavUp,
     CSSPropertyMixBlendMode,
     CSSPropertyMotionOffset,
     CSSPropertyMotionPath,