Fix for 128506: Random Chinese/Japanese characters are missing in documents printed via the syst...

content/browser/renderer_host/render_message_filter.h

Index: content/browser/renderer_host/render_message_filter.h
===================================================================
--- content/browser/renderer_host/render_message_filter.h	(revision 158204)
+++ content/browser/renderer_host/render_message_filter.h	(working copy)
@@ -143,6 +143,11 @@
   void SendLoadFontReply(IPC::Message* reply, FontLoader::Result* result);
 #endif
 
+#if defined(OS_WIN)
+  void OnPreCacheFontCharacters(const LOGFONT& log_font,
+                                const std::wstring& characters);
+#endif
+
 #if defined(OS_WIN) && !defined(USE_AURA)
   // On Windows, we handle these on the IO thread to avoid a deadlock with
   // plugins.  On non-Windows systems, we need to handle them on the UI thread.