diff --git a/experimental/PdfViewer/SkPdfBasics.cpp b/experimental/PdfViewer/SkPdfBasics.cpp
index e69de29..e345f48 100644
--- a/experimental/PdfViewer/SkPdfBasics.cpp
+++ b/experimental/PdfViewer/SkPdfBasics.cpp
@@ -0,0 +1,12 @@
+#include "SkPdfBasics.h"
+#include "SkPdfNativeTokenizer.h"
+
+PdfContext::PdfContext(SkNativeParsedPDF* doc)
+    : fPdfDoc(doc)
+    , fTmpPageAllocator(new SkPdfAllocator()) {
+}
+
+PdfContext::~PdfContext() {
+    delete fTmpPageAllocator;
+}
+