code cleanup

Review URL: https://codereview.chromium.org/26613006

git-svn-id: http://skia.googlecode.com/svn/trunk@11687 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/PdfViewer/SkPdfConfig.h b/experimental/PdfViewer/SkPdfConfig.h
index d920718..1894b78 100644
--- a/experimental/PdfViewer/SkPdfConfig.h
+++ b/experimental/PdfViewer/SkPdfConfig.h
@@ -61,9 +61,11 @@
 #endif   // PDF_TRACK_OBJECT_USAGE
 
 #ifdef PDF_TRACK_STREAM_OFFSETS
+#define TRACK_OBJECT_SRC(a)
 #define STORE_TRACK_PARAMETERS(obj) (obj)->fStreamId = streamId; (obj)->fOffsetStart = offsetStart; (obj)->fOffsetEnd = offsetEnd;
 #define STORE_TRACK_PARAMETER_OFFSET_END(obj,offsetEnd) (obj)->fOffsetEnd = (offsetEnd)-streamStart;
 #else
+#define TRACK_OBJECT_SRC(a)
 #define STORE_TRACK_PARAMETERS(obj)
 #define STORE_TRACK_PARAMETER_OFFSET_END(obj,offsetEnd)
 #endif   //PDF_TRACK_STREAM_OFFSETS