Horizontal        112 Source/core/dom/ViewportDescription.h     enum Direction { Horizontal, Vertical };
Horizontal        117 Source/core/html/track/vtt/VTTCue.h         Horizontal = 0,
Horizontal         31 Source/platform/fonts/FontOrientation.h enum FontOrientation { Horizontal, Vertical };
Horizontal         41 Source/platform/fonts/SVGGlyph.h         Horizontal,
Horizontal         46 public/platform/WebScrollbar.h         Horizontal,