| Index: ui/gfx/vector2d_f.h | 
| diff --git a/ui/gfx/vector2d_f.h b/ui/gfx/vector2d_f.h | 
| index e2baa0cc4a6201cefcfe1689ec2fd24586046f19..e78c68821b7f2f18d85decfccc30a7ba61a9bddd 100644 | 
| --- a/ui/gfx/vector2d_f.h | 
| +++ b/ui/gfx/vector2d_f.h | 
| @@ -76,6 +76,12 @@ inline Vector2dF operator-(const Vector2dF& lhs, const Vector2dF& rhs) { | 
| return result; | 
| } | 
|  | 
| +// Return the cross product of two vectors. | 
| +UI_EXPORT double CrossProduct(const Vector2dF& lhs, const Vector2dF& rhs); | 
| + | 
| +// Return the dot product of two vectors. | 
| +UI_EXPORT double DotProduct(const Vector2dF& lhs, const Vector2dF& rhs); | 
| + | 
| }  // namespace gfx | 
|  | 
| #endif // UI_GFX_VECTOR2D_F_H_ | 
|  |