Embed fonts information into resulting PDF file for printing.

printing/pdf_ps_metafile_linux.h

Index: printing/pdf_ps_metafile_linux.h
===================================================================
--- printing/pdf_ps_metafile_linux.h	(revision 25867)
+++ printing/pdf_ps_metafile_linux.h	(working copy)
@@ -64,6 +64,10 @@
   // Closes resulting PDF/PS file. No further rendering is allowed.
   void Close();
 
+  // Selects the font associated with |font_id| in |context|.
+  // Return true on success.
+  static bool SelectFontById(cairo_t* context, uint32_t font_id);
+
   // Returns size of PDF/PS contents stored in buffer |all_pages_|.
   // This function should ONLY be called after PDF/PS file is closed.
   unsigned int GetDataSize() const;
@@ -80,7 +84,7 @@
 
  private:
   // Cleans up all resources.
-  void CleanUp();
+  void CleanUpAll();
 
   FileFormat format_;