use SkPoint, creating an alias for GrPoint

http://codereview.appspot.com/4498041/



git-svn-id: http://skia.googlecode.com/svn/trunk@1268 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/include/GrPathIter.h b/gpu/include/GrPathIter.h
index 5261f0f..2c84145 100644
--- a/gpu/include/GrPathIter.h
+++ b/gpu/include/GrPathIter.h
@@ -18,9 +18,8 @@
 #ifndef GrPathIter_DEFINED
 #define GrPathIter_DEFINED
 
-#include "GrTypes.h"
+#include "GrPoint.h"
 
-struct GrPoint;
 struct GrRect;
 
 /**