Remove last dependencies on ui/base from ui/gfx

ui/gfx/box_f.h

 // 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_BOX_F_H_
 #define UI_GFX_BOX_F_H_
 
 #include "ui/gfx/point3_f.h"
 #include "ui/gfx/vector3d_f.h"
 
 namespace gfx {
 
 // A 3d version of gfx::RectF, with the positive z-axis pointed towards
 // the camera.
-class UI_EXPORT BoxF {
+class GFX_EXPORT BoxF {
  public:
   BoxF()
       : width_(0.f),
         height_(0.f),
         depth_(0.f) {}
 
   BoxF(float width, float height, float depth)
       : width_(width < 0 ? 0 : width),
         height_(height < 0 ? 0 : height),
         depth_(depth < 0 ? 0 : depth) {}
@@ skipping 68 matching lines @@
   const Point3F& origin() const { return origin_; }
   void set_origin(const Point3F& origin) { origin_ = origin; }
 
  private:
   Point3F origin_;
   float width_;
   float height_;
   float depth_;
 };
 
-UI_EXPORT BoxF UnionBoxes(const BoxF& a, const BoxF& b);
+GFX_EXPORT BoxF UnionBoxes(const BoxF& a, const BoxF& b);
 
 inline BoxF ScaleBox(const BoxF& b,
                      float x_scale,
                      float y_scale,
                      float z_scale) {
   return BoxF(b.x() * x_scale,
               b.y() * y_scale,
               b.z() * z_scale,
               b.width() * x_scale,
               b.height() * y_scale,
@@ skipping 18 matching lines @@
               b.y() + v.y(),
               b.z() + v.z(),
               b.width(),
               b.height(),
               b.depth());
 }
 
 }  // namespace gfx
 
 #endif  // UI_GFX_BOX_F_H_