ui: Add non-member Vector2dScale() and Vector3dScale() methods to create scaled vectors

ui/gfx/vector2d_f.h

Index: ui/gfx/vector2d_f.h
diff --git a/ui/gfx/vector2d_f.h b/ui/gfx/vector2d_f.h
index e78c68821b7f2f18d85decfccc30a7ba61a9bddd..ff1666f405440a1c927e0424be691ffef1185b92 100644
--- a/ui/gfx/vector2d_f.h
+++ b/ui/gfx/vector2d_f.h
@@ -82,6 +82,16 @@ 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);
 
+// Return a vector that is |v| scaled by the given scale factors along each
+// axis.
+UI_EXPORT Vector2dF ScaleVector2d(
+    const Vector2dF& v, float x_scale, float y_scale);

[sky, 2012/11/09 17:06:21]

nit: when you wrap, wrap each param on its own line.

[danakj, 2012/11/09 18:21:47]

Done.

+
+// Return a vector that is |v| scaled by the given scale factor.
+inline Vector2dF ScaleVector2d(const Vector2dF& v, float scale) {
+  return ScaleVector2d(v, scale, scale);
+}
+
 }  // namespace gfx
 
 #endif // UI_GFX_VECTOR2D_F_H_