SkDocument::setDCTEncoder() for old versions of webkit

include/core/SkDocument.h

Index: include/core/SkDocument.h
diff --git a/include/core/SkDocument.h b/include/core/SkDocument.h
index 316d15a253429ea07c7b40e102a8e22f36e8e6d8..6ee96b9ce3afed5e69eb1e0fcf20d9a72ac71951 100644
--- a/include/core/SkDocument.h
+++ b/include/core/SkDocument.h
@@ -16,6 +16,7 @@
 #include "SkTime.h"
 
 class SkCanvas;
+class SkPixelSerializer;
 class SkWStream;
 
 /** SK_ScalarDefaultDPI is 72 DPI.
@@ -58,6 +59,24 @@ public:
                                  SkScalar dpi = SK_ScalarDefaultRasterDPI);
 
     /**
+     *  @param jpegEncoder For PDF documents, if a jpegEncoder is set,
+     *         use it to encode SkImages and SkBitmaps as [JFIF]JPEGs.
+     *         This feature is deprecated and is only supplied for
+     *         backwards compatability.
+     *
+     *         The prefered method to create PDFs with JPEG images is
+     *         to use SkImage::NewFromEncoded() and not jpegEncoder.
+     *         Chromium uses NewFromEncoded.
+     *
+     *         If the encoder is unset, or if jpegEncoder->onEncode()
+     *         returns NULL, fall back on encoding images losslessly
+     *         with Deflate.
+     */
+    static SkDocument* CreatePDF(SkWStream*,
+                                 SkScalar dpi,
+                                 SkPixelSerializer* jpegEncoder);
+
+    /**
      *  Create a PDF-backed document, writing the results into a file.
      */
     static SkDocument* CreatePDF(const char outputFilePath[],