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

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

Index: third_party/WebKit/Source/core/style/ComputedStyle.cpp
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.cpp b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
index 9e0fa545ec1bec49b313ed9f9cb18d4e5505d42c..714e8b5f8dbce1ed4821a04455036ca04998adb3 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.cpp
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
@@ -136,6 +136,7 @@ ALWAYS_INLINE ComputedStyle::ComputedStyle(InitialStyleTag)
     rareNonInheritedData.access()->m_grid.init();
     rareNonInheritedData.access()->m_gridItem.init();
     rareNonInheritedData.access()->m_scrollSnap.init();
+    rareNonInheritedData.access()->m_navigation.init();
     rareInheritedData.init();
     inherited.init();
     m_svgStyle.init();