pdfviewer: finish implementation of SkPdfObject.toString(), and include in debugging traces we leave when rendering.

Review URL: https://codereview.chromium.org/20628008

git-svn-id: http://skia.googlecode.com/svn/trunk@10494 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/PdfViewer/SkPdfRenderer.cpp b/experimental/PdfViewer/SkPdfRenderer.cpp
index 5ed7554..e15f165 100644
--- a/experimental/PdfViewer/SkPdfRenderer.cpp
+++ b/experimental/PdfViewer/SkPdfRenderer.cpp
@@ -1936,7 +1936,7 @@
         skpdfGraphicsStateApplyAIS(pdfContext, gs->AIS(pdfContext->fPdfDoc));
     }
 
-    return kNYI_PdfResult;
+    return kOK_PdfResult;
 }
 
 //charSpace Tc Set the character spacing, Tc