Move geometric types to a separate, more lightweight target.

ui/gfx/insets_base.h

-// Copyright 2012 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_BASE_H_
-#define UI_GFX_INSETS_BASE_H_
-
-#include "ui/gfx/gfx_export.h"
-
-namespace gfx {
-
-// An insets represents the borders of a container (the space the container must
-// leave at each of its edges).
-template<typename Class, typename Type>
-class GFX_EXPORT InsetsBase {
- public:
-  Type top() const { return top_; }
-  Type left() const { return left_; }
-  Type bottom() const { return bottom_; }
-  Type right() const { return right_; }
-
-  // Returns the total width taken up by the insets, which is the sum of the
-  // left and right insets.
-  Type width() const { return left_ + right_; }
-
-  // Returns the total height taken up by the insets, which is the sum of the
-  // top and bottom insets.
-  Type height() const { return top_ + bottom_; }
-
-  // Returns true if the insets are empty.
-  bool empty() const { return width() == 0 && height() == 0; }
-
-  void Set(Type top, Type left, Type bottom, Type right) {
-    top_ = top;
-    left_ = left;
-    bottom_ = bottom;
-    right_ = right;
-  }
-
-  bool operator==(const Class& insets) const {
-    return top_ == insets.top_ && left_ == insets.left_ &&
-           bottom_ == insets.bottom_ && right_ == insets.right_;
-  }
-
-  bool operator!=(const Class& insets) const {
-    return !(*this == insets);
-  }
-
-  void operator+=(const Class& insets) {
-    top_ += insets.top_;
-    left_ += insets.left_;
-    bottom_ += insets.bottom_;
-    right_ += insets.right_;
-  }
-
-  Class operator-() const {
-    return Class(-top_, -left_, -bottom_, -right_);
-  }
-
- protected:
-  InsetsBase(Type top, Type left, Type bottom, Type right)
-      : top_(top),
-        left_(left),
-        bottom_(bottom),
-        right_(right) {}
-
-  // Destructor is intentionally made non virtual and protected.
-  // Do not make this public.
-  ~InsetsBase() {}
-
- private:
-  Type top_;
-  Type left_;
-  Type bottom_;
-  Type right_;
-};
-
-}  // namespace gfx
-
-#endif  // UI_GFX_INSETS_BASE_H_