Remove last dependencies on ui/base from ui/gfx

ui/gfx/rect_f.h

 // Copyright (c) 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_RECT_F_H_
 #define UI_GFX_RECT_F_H_
 
 #include <string>
 
 #include "ui/gfx/point_f.h"
 #include "ui/gfx/rect_base.h"
 #include "ui/gfx/size_f.h"
 #include "ui/gfx/vector2d_f.h"
 
 namespace gfx {
 
 class InsetsF;
 
 // A floating version of gfx::Rect.
-class UI_EXPORT RectF
+class GFX_EXPORT RectF
     : public RectBase<RectF, PointF, SizeF, InsetsF, Vector2dF, float> {
  public:
   RectF()
       : RectBase<RectF, PointF, SizeF, InsetsF, Vector2dF, float>
             (SizeF()) {}
 
   RectF(float width, float height)
       : RectBase<RectF, PointF, SizeF, InsetsF, Vector2dF, float>
             (SizeF(width, height)) {}
 
@@ skipping 45 matching lines @@
 
 inline RectF operator-(const RectF& lhs, const Vector2dF& rhs) {
   return RectF(lhs.x() - rhs.x(), lhs.y() - rhs.y(),
       lhs.width(), lhs.height());
 }
 
 inline RectF operator+(const Vector2dF& lhs, const RectF& rhs) {
   return rhs + lhs;
 }
 
-UI_EXPORT RectF IntersectRects(const RectF& a, const RectF& b);
-UI_EXPORT RectF UnionRects(const RectF& a, const RectF& b);
-UI_EXPORT RectF SubtractRects(const RectF& a, const RectF& b);
+GFX_EXPORT RectF IntersectRects(const RectF& a, const RectF& b);
+GFX_EXPORT RectF UnionRects(const RectF& a, const RectF& b);
+GFX_EXPORT RectF SubtractRects(const RectF& a, const RectF& b);
 
 inline RectF ScaleRect(const RectF& r, float x_scale, float y_scale) {
   return RectF(r.x() * x_scale, r.y() * y_scale,
        r.width() * x_scale, r.height() * y_scale);
 }
 
 inline RectF ScaleRect(const RectF& r, float scale) {
   return ScaleRect(r, scale, scale);
 }
 
 // Constructs a rectangle with |p1| and |p2| as opposite corners.
 //
 // This could also be thought of as "the smallest rect that contains both
 // points", except that we consider points on the right/bottom edges of the
 // rect to be outside the rect.  So technically one or both points will not be
 // contained within the rect, because they will appear on one of these edges.
-UI_EXPORT RectF BoundingRect(const PointF& p1, const PointF& p2);
+GFX_EXPORT RectF BoundingRect(const PointF& p1, const PointF& p2);
 
 #if !defined(COMPILER_MSVC)
 extern template class RectBase<RectF, PointF, SizeF, InsetsF, Vector2dF, float>;
 #endif
 
 }  // namespace gfx
 
 #endif  // UI_GFX_RECT_F_H_