| Index: cc/base/math_util.h | 
| diff --git a/cc/base/math_util.h b/cc/base/math_util.h | 
| index eaaf9249568fffeaa0bed1fd01d2760a1811897a..622ea4dd04e6c864507b2c6223aa1afc84b39981 100644 | 
| --- a/cc/base/math_util.h | 
| +++ b/cc/base/math_util.h | 
| @@ -13,6 +13,7 @@ | 
| #include "base/memory/scoped_ptr.h" | 
| #include "cc/base/cc_export.h" | 
| #include "ui/gfx/box_f.h" | 
| +#include "ui/gfx/geometry/scroll_offset.h" | 
| #include "ui/gfx/point3_f.h" | 
| #include "ui/gfx/point_f.h" | 
| #include "ui/gfx/size.h" | 
| @@ -212,6 +213,8 @@ class CC_EXPORT MathUtil { | 
| base::debug::TracedValue* res); | 
| static void AddToTracedValue(const gfx::Vector2dF& v, | 
| base::debug::TracedValue* res); | 
| +  static void AddToTracedValue(const gfx::ScrollOffset& v, | 
| +                               base::debug::TracedValue* res); | 
| static void AddToTracedValue(const gfx::QuadF& q, | 
| base::debug::TracedValue* res); | 
| static void AddToTracedValue(const gfx::RectF& rect, | 
|  |