PdfMetafileSkia: start supporting more document types.

printing/pdf_metafile_skia.h

Index: printing/pdf_metafile_skia.h
diff --git a/printing/pdf_metafile_skia.h b/printing/pdf_metafile_skia.h
index 0b7e8268980a20c66ab1da140999f2c58f73d699..8c31662027231839a2b7db40c88ba65baab9b920 100644
--- a/printing/pdf_metafile_skia.h
+++ b/printing/pdf_metafile_skia.h
@@ -28,12 +28,17 @@ struct FileDescriptor;
 
 namespace printing {
 
+enum SkiaDocumentType {
+  PDF_SKIA_DOCUMENT_TYPE,
+  MSKP_SKIA_DOCUMENT_TYPE,
+};
+
 struct PdfMetafileSkiaData;
 
 // This class uses Skia graphics library to generate a PDF document.
 class PRINTING_EXPORT PdfMetafileSkia : public Metafile {
  public:
-  PdfMetafileSkia();
+  PdfMetafileSkia(SkiaDocumentType type = PDF_SKIA_DOCUMENT_TYPE);

[Lei Zhang, 2016/06/13 21:01:34]

Highly prefer no default arguments, especially with so few callers.

[Lei Zhang, 2016/06/13 21:01:34]

explicit

[hal.canary, 2016/06/14 16:34:49]

Done.

[hal.canary, 2016/06/14 16:34:49]

Done.

   ~PdfMetafileSkia() override;
 
   // Metafile methods.
@@ -68,7 +73,8 @@ class PRINTING_EXPORT PdfMetafileSkia : public Metafile {
   bool SaveTo(base::File* file) const override;
 
   // Return a new metafile containing just the current page in draft mode.
-  std::unique_ptr<PdfMetafileSkia> GetMetafileForCurrentPage();
+  std::unique_ptr<PdfMetafileSkia> GetMetafileForCurrentPage(
+      SkiaDocumentType type = PDF_SKIA_DOCUMENT_TYPE);
 
   // This method calls StartPage and then returns an appropriate
   // PlatformCanvas implementation bound to the context created by