Remove unused parameters to SkDocument::CreatePDF

include/core/SkDocument.h

Index: include/core/SkDocument.h
diff --git a/include/core/SkDocument.h b/include/core/SkDocument.h
index 83098aa65c082db0f9f05fdad5082a3c15c3de38..db8113f0e2501b53281ec1951e1239e47d76a793 100644
--- a/include/core/SkDocument.h
+++ b/include/core/SkDocument.h
@@ -35,50 +35,33 @@ public:
     SK_DECLARE_INST_COUNT(SkDocument)
 
     /**
-     *  Create a PDF-backed document, writing the results into a file.
-     *  If there is an error trying to create the doc, returns NULL.
-     *  encoder sets the DCTEncoder for images, to encode a bitmap
-     *    as JPEG (DCT).
-     *  rasterDpi - the DPI at which features without native PDF support
-     *              will be rasterized (e.g. draw image with perspective,
-     *              draw text with perspective, ...)
-     *              A larger DPI would create a PDF that reflects the original
-     *              intent with better fidelity, but it can make for larger
-     *              PDF files too, which would use more memory while rendering,
-     *              and it would be slower to be processed or sent online or
-     *              to printer.
+     *  Create a PDF-backed document, writing the results into a SkWStream.
+     *
+     *  PDF pages are sized in point units. 1 pt == 1/72 inch == 127/360 mm.
+     *
+     *  @param SkWStream* A PDF document will be written to this
+     *         stream.  The document may write to the stream at
+     *         anytime during its lifetime, until either close() is
+     *         called or the document is deleted.
+     *  @param dpi The DPI (pixels-per-inch) at which features without
+     *         native PDF support will be rasterized (e.g. draw image
+     *         with perspective, draw text with perspective, ...)  A
+     *         larger DPI would create a PDF that reflects the
+     *         original intent with better fidelity, but it can make
+     *         for larger PDF files too, which would use more memory
+     *         while rendering, and it would be slower to be processed
+     *         or sent online or to printer.
+     *  @returns NULL if there is an error, otherwise a newly created
+     *           PDF-backed SkDocument.
      */
-    static SkDocument* CreatePDF(
-            const char filename[],
-            SkPicture::EncodeBitmap encoder = NULL,
-            SkScalar rasterDpi = SK_ScalarDefaultRasterDPI);
+    static SkDocument* CreatePDF(SkWStream*,
+                                 SkScalar dpi = SK_ScalarDefaultRasterDPI);
 
     /**
-     *  Create a PDF-backed document, writing the results into a stream.
-     *  If there is an error trying to create the doc, returns NULL.
-     *
-     *  The document may write to the stream at anytime during its lifetime,
-     *  until either close() is called or the document is deleted. Once close()
-     *  has been called, and all of the data has been written to the stream,
-     *  if there is a Done proc provided, it will be called with the stream.
-     *  The proc can delete the stream, or whatever it needs to do.
-     *  encoder sets the DCTEncoder for images, to encode a bitmap
-     *    as JPEG (DCT).
-     *  Done - clean up method intended to allow deletion of the stream.
-     *         Its aborted parameter is true if the cleanup is due to an abort
-     *         call. It is false otherwise.
-     *  rasterDpi - the DPI at which features without native PDF support
-     *              will be rasterized (e.g. draw image with perspective,
-     *              draw text with perspective, ...)
-     *              A larger DPI would create a PDF that reflects the original
-     *              intent with better fidelity, but it can make for larger
-     *              PDF files too, which would use more memory while rendering,
-     *              and it would be slower to be processed or sent online or
-     *              to printer.     */
-    static SkDocument* CreatePDF(
-            SkWStream*, void (*Done)(SkWStream*,bool aborted) = NULL,
-            SkPicture::EncodeBitmap encoder = NULL,
-            SkScalar rasterDpi = SK_ScalarDefaultRasterDPI);
+     *  Create a PDF-backed document, writing the results into a file.
+     */
+    static SkDocument* CreatePDF(const char outputFilePath[],
+                                 SkScalar dpi = SK_ScalarDefaultRasterDPI);
 
     /**
      *  Begin a new page for the document, returning the canvas that will draw
@@ -112,6 +95,7 @@ public:
 
 protected:
     SkDocument(SkWStream*, void (*)(SkWStream*, bool aborted));
+
     // note: subclasses must call close() in their destructor, as the base class
     // cannot do this for them.
     virtual ~SkDocument();