pdfviewer: load files with missing xref (we need in order to help with testing, as most good pdfx in the whild miss the xref). add period as a valid character to start a real value.

Review URL: https://codereview.chromium.org/21096006

git-svn-id: http://skia.googlecode.com/svn/trunk@10423 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/PdfViewer/SkPdfBasics.h b/experimental/PdfViewer/SkPdfBasics.h
index 30c92b6..28a18c5 100644
--- a/experimental/PdfViewer/SkPdfBasics.h
+++ b/experimental/PdfViewer/SkPdfBasics.h
@@ -14,6 +14,7 @@
 class SkPdfDoc;
 class SkPdfObject;
 class SkPdfResourceDictionary;
+class SkPdfSoftMaskDictionary;
 
 class SkNativeParsedPDF;
 class SkPdfAllocator;
@@ -202,7 +203,8 @@
                                 transparency group XObject (see Section 7.5.5, “Transparency
                                 Group XObjects”). Initial value: None.
  */
-    SkBitmap            fSMask;
+    SkPdfSoftMaskDictionary* fSoftMaskDictionary;
+    SkBitmap                 fSMask;
 
 
 /*