remove unused (and undefined) SkColorSpace parameter.



git-svn-id: http://skia.googlecode.com/svn/trunk@6427 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PathTest.cpp b/tests/PathTest.cpp
index a74ba8a..97ba258 100644
--- a/tests/PathTest.cpp
+++ b/tests/PathTest.cpp
@@ -22,7 +22,7 @@
     SkImage::Info info = {
         w, h, SkImage::kPMColor_ColorType, SkImage::kPremul_AlphaType
     };
-    return SkSurface::NewRaster(info, NULL);
+    return SkSurface::NewRaster(info);
 }
 
 // Make sure we stay non-finite once we get there (unless we reset or rewind).