Move geometric types to a separate, more lightweight target.

ui/gfx/geometry/quad_f.h

Index: ui/gfx/geometry/quad_f.h
diff --git a/ui/gfx/quad_f.h b/ui/gfx/geometry/quad_f.h
similarity index 95%
copy from ui/gfx/quad_f.h
copy to ui/gfx/geometry/quad_f.h
index b8a42e9883e1b5d9aebb48e9b6bb4118de1e0a36..4cb57132ad0a07da4708d7bd63b16ff26f8abb9d 100644
--- a/ui/gfx/quad_f.h
+++ b/ui/gfx/geometry/quad_f.h
@@ -2,16 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_GFX_QUAD_F_H_
-#define UI_GFX_QUAD_F_H_
+#ifndef UI_GFX_GEOMETRY_QUAD_F_H_
+#define UI_GFX_GEOMETRY_QUAD_F_H_
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 
+#include "ui/gfx/geometry/point_f.h"
+#include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/gfx_export.h"
-#include "ui/gfx/point_f.h"
-#include "ui/gfx/rect_f.h"
 
 namespace gfx {
 
@@ -106,4 +106,4 @@ GFX_EXPORT QuadF operator-(const QuadF& lhs, const Vector2dF& rhs);
 
 }  // namespace gfx
 
-#endif  // UI_GFX_QUAD_F_H_
+#endif  // UI_GFX_GEOMETRY_QUAD_F_H_