Update touch-action hit-testing to match latest spec changes.

Source/core/rendering/RenderBox.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 Apple Inc. 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 65 matching lines @@
         if (isRoot() || isPositioned() || createsGroup() || hasClipPath() || hasTransform() || hasHiddenBackface() || hasReflection() || style()->specifiesColumns() || !style()->hasAutoZIndex() || style()->hasWillChangeCompositingHint() || style()->hasWillChangeGpuRasterizationHint() || shouldCompositeForActiveAnimations(*this))
             return NormalLayer;
         if (hasOverflowClip())
             return OverflowClipLayer;
 
         return NoLayer;
     }
 
     virtual bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect) const OVERRIDE;
 
+    // touch-action applies to all elements with both width AND height properties.
+    // According to the CSS Box Model Spec (http://dev.w3.org/csswg/css-box/#the-width-and-height-properties)
+    // width applies to all elements but non-replaced inline elements, table rows, and row groups and
+    // height applies to all elements but non-replaced inline elements, table columns, and column groups.
+    bool visibleForTouchAction() const OVERRIDE
+    {
+        if (isInline() && !isReplaced())
+            return false;
+        if (isTableRow() || isRenderTableCol())
+            return false;
+
+        return true;
+    }
+
     // Use this with caution! No type checking is done!
     RenderBox* firstChildBox() const;
     RenderBox* lastChildBox() const;
 
     LayoutUnit x() const { return m_frameRect.x(); }
     LayoutUnit y() const { return m_frameRect.y(); }
     LayoutUnit width() const { return m_frameRect.width(); }
     LayoutUnit height() const { return m_frameRect.height(); }
 
     int pixelSnappedWidth() const { return m_frameRect.pixelSnappedWidth(); }
@@ skipping 680 matching lines @@
         if (UNLIKELY(inlineBoxWrapper() != 0))
             deleteLineBoxWrapper();
     }
 
     ensureRareData().m_inlineBoxWrapper = boxWrapper;
 }
 
 } // namespace WebCore
 
 #endif // RenderBox_h