Make scroll offset type of float in cc

ui/gfx/test/gfx_util.cc

 // Copyright 2014 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.
 
 #include "ui/gfx/test/gfx_util.h"
 
 #include <iomanip>
 #include <sstream>
 #include <string>
 
 #include "ui/gfx/geometry/box_f.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/point3_f.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/quad_f.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect_f.h"
+#include "ui/gfx/geometry/scroll_offset.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/geometry/size_f.h"
 #include "ui/gfx/geometry/vector2d.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 #include "ui/gfx/geometry/vector3d_f.h"
 #include "ui/gfx/transform.h"
 
 namespace gfx {
 
 namespace {
@@ skipping 83 matching lines @@
 }
 
 void PrintTo(const Rect& rect, ::std::ostream* os) {
   *os << rect.ToString();
 }
 
 void PrintTo(const RectF& rect, ::std::ostream* os) {
   *os << rect.ToString();
 }
 
+void PrintTo(const ScrollOffset& offset, ::std::ostream* os) {
+  *os << offset.ToString();
+}
+
 void PrintTo(const Size& size, ::std::ostream* os) {
   *os << size.ToString();
 }
 
 void PrintTo(const SizeF& size, ::std::ostream* os) {
   *os << size.ToString();
 }
 
 void PrintTo(const Transform& transform, ::std::ostream* os) {
   *os << transform.ToString();
 }
 
 void PrintTo(const Vector2d& vector, ::std::ostream* os) {
   *os << vector.ToString();
 }
 
 void PrintTo(const Vector2dF& vector, ::std::ostream* os) {
   *os << vector.ToString();
 }
 
 void PrintTo(const Vector3dF& vector, ::std::ostream* os) {
   *os << vector.ToString();
 }
 
 }  // namespace gfx