use SkPath for GrPath, removing GrPathIter entirely

http://codereview.appspot.com/4515071/



git-svn-id: http://skia.googlecode.com/svn/trunk@1335 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/include/GrClipIterator.h b/gpu/include/GrClipIterator.h
index 1fcbdd1..f7f74a7 100644
--- a/gpu/include/GrClipIterator.h
+++ b/gpu/include/GrClipIterator.h
@@ -47,7 +47,7 @@
      * Return the current path. It is an error to call this when isDone() is
      * true or when getType() is kRect_Type.
      */
-    virtual GrPathIter* getPathIter() = 0;
+    virtual const GrPath* getPath() = 0;
 
     /**
      * Return the fill rule for the path. It is an error to call this when