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/GrGpu.h b/gpu/include/GrGpu.h
index e44956f..1bb5c54 100644
--- a/gpu/include/GrGpu.h
+++ b/gpu/include/GrGpu.h
@@ -513,8 +513,7 @@
     void prepareIndexPool();
 
     // determines the path renderer used to draw a clip path element.
-    GrPathRenderer* getClipPathRenderer(GrPathIter* path,
-                                        GrPathFill fill);
+    GrPathRenderer* getClipPathRenderer(const SkPath& path, GrPathFill fill);
 
     void handleDirtyContext() {
         if (fContextIsDirty) {