Move geometric types to a separate, more lightweight target.

ui/gfx/insets_f.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_GFX_INSETS_F_H_
-#define UI_GFX_INSETS_F_H_
+// TODO(beng): remove once callsites are patched.
+#include "ui/gfx/geometry/insets_f.h"
 
-#include <string>
-
-#include "build/build_config.h"
-#include "ui/gfx/gfx_export.h"
-#include "ui/gfx/insets_base.h"
-
-namespace gfx {
-
-// A floating versin of gfx::Insets.
-class GFX_EXPORT InsetsF : public InsetsBase<InsetsF, float> {
- public:
-  InsetsF();
-  InsetsF(float top, float left, float bottom, float right);
-  ~InsetsF();
-
-  // Returns a string representation of the insets.
-  std::string ToString() const;
-};
-
-#if !defined(COMPILER_MSVC)
-extern template class InsetsBase<InsetsF, float>;
-#endif
-
-}  // namespace gfx
-
-#endif  // UI_GFX_INSETS_F_H_