diff --git a/experimental/PdfViewer/SkPdfRenderer.cpp b/experimental/PdfViewer/SkPdfRenderer.cpp
index 7c4b474..37867b4 100644
--- a/experimental/PdfViewer/SkPdfRenderer.cpp
+++ b/experimental/PdfViewer/SkPdfRenderer.cpp
@@ -16,7 +16,6 @@
 #include "SkStream.h"
 #include "SkTypeface.h"
 #include "SkTArray.h"
-#include "picture_utils.h"
 
 #include <iostream>
 #include <cstdio>
@@ -2013,3 +2012,8 @@
     SkASSERT(fPdfDoc);
     return fPdfDoc->MediaBox(page);
 }
+
+size_t SkPdfRenderer::bytesUsed() {
+    return fPdfDoc ? fPdfDoc->bytesUsed() : 0;
+}
+