Separate and update PDF_DIFF_TRACE_IN_PNG

experimental/PdfViewer/pdfparser/native/SkPdfNativeTokenizer.h

Index: experimental/PdfViewer/pdfparser/native/SkPdfNativeTokenizer.h
diff --git a/experimental/PdfViewer/pdfparser/native/SkPdfNativeTokenizer.h b/experimental/PdfViewer/pdfparser/native/SkPdfNativeTokenizer.h
index 8ed354cfa138a8fe08f32f461ed0f16fb1733695..8db55a093412abd215951e2016c0ad2cd03f84a6 100644
--- a/experimental/PdfViewer/pdfparser/native/SkPdfNativeTokenizer.h
+++ b/experimental/PdfViewer/pdfparser/native/SkPdfNativeTokenizer.h
@@ -165,7 +165,9 @@ public:
     virtual ~SkPdfNativeTokenizer();
 
     // Reads one token. Returns false if there are no more tokens.
-    bool readToken(PdfToken* token);
+    // If write is true, and a token was read, write the difference caused by
+    // token to a file.
+    bool readToken(PdfToken* token, bool write = false);

[mtklein, 2013/11/22 14:46:12]

maybe writeDiff?

[scroggo, 2013/11/22 15:47:16]

Done.

 
     // Put back a token to be read in the nextToken read. Only one token is allowed to be put
     // back. Must not necesaarely be the last token read.