Move geometric types to a separate, more lightweight target.

ui/gfx/geometry/point_base.h

Index: ui/gfx/geometry/point_base.h
diff --git a/ui/gfx/point_base.h b/ui/gfx/geometry/point_base.h
similarity index 94%
rename from ui/gfx/point_base.h
rename to ui/gfx/geometry/point_base.h
index d7a3951913e904d77d6ae84a81f0ce974a2e84c2..6db1c0cf916bf1e82d4b754b76eac9c036f4d432 100644
--- a/ui/gfx/point_base.h
+++ b/ui/gfx/geometry/point_base.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_GFX_POINT_BASE_H_
-#define UI_GFX_POINT_BASE_H_
+#ifndef UI_GFX_GEOMETRY_POINT_BASE_H_
+#define UI_GFX_GEOMETRY_POINT_BASE_H_
 
 #include <string>
 
@@ -84,4 +84,4 @@ class GFX_EXPORT PointBase {
 
 }  // namespace gfx
 
-#endif  // UI_GFX_POINT_BASE_H_
+#endif  // UI_GFX_GEOMETRY_POINT_BASE_H_