revert r7892

git-svn-id: http://skia.googlecode.com/svn/trunk@7896 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pdf/SkPDFImage.h b/src/pdf/SkPDFImage.h
index 69aa7da..48b0157 100644
--- a/src/pdf/SkPDFImage.h
+++ b/src/pdf/SkPDFImage.h
@@ -49,8 +49,7 @@
     SkPDFImage* addSMask(SkPDFImage* mask);
 
     // The SkPDFObject interface.
-    virtual void getResources(const SkTSet<SkPDFObject*>& knownResourceObjects,
-                              SkTSet<SkPDFObject*>* newResourceObjects);
+    virtual void getResources(SkTDArray<SkPDFObject*>* resourceList);
 
 private:
     SkTDArray<SkPDFObject*> fResources;