PrintPreview: Implement GetMetafileForCurrentPage() function in PdfMetafileSkia.

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 2b8c7c1c3235247163a1f649f8f6132bead08fdd..bcdd734320a1456f22634ac1b36509e2729d7144 100644
--- a/printing/pdf_metafile_skia.h
+++ b/printing/pdf_metafile_skia.h
@@ -70,12 +70,19 @@ class PdfMetafileSkia : public Metafile {
 
   virtual void set_draft(bool draft) const;
 
+  // Helper function to get the metafile for current page. This is called from

[vandebo (ex-Chrome), 2011/06/29 20:23:45]

We can probably give a better description of this method:
Return a new metafile containing just the current page in draft mode.

[kmadhusu, 2011/06/30 06:10:55]

Done.

+  // the preview workflow.
+  PdfMetafileSkia* GetMetafileForCurrentPage();
+
  private:
   scoped_ptr<PdfMetafileSkiaData> data_;
 
   // True when a draft version of metafile is requested.
   mutable bool draft_;
 
+  // True when finish page is already called for current page.
+  mutable bool did_finish_page_;

[vandebo (ex-Chrome), 2011/06/29 20:23:45]

Why do we have mutable fields?

[kmadhusu, 2011/06/30 06:10:55]

Removed.

+
   DISALLOW_COPY_AND_ASSIGN(PdfMetafileSkia);
 };