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

content/public/renderer/render_thread.h

Index: content/public/renderer/render_thread.h
===================================================================
--- content/public/renderer/render_thread.h	(revision 158204)
+++ content/public/renderer/render_thread.h	(working copy)
@@ -5,6 +5,8 @@
 #ifndef CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_
 
+#include <string>
+
 #include "base/basictypes.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
@@ -109,7 +111,11 @@
   // Request that the given font be loaded by the browser so it's cached by the
   // OS. Please see ChildProcessHost::PreCacheFont for details.
   virtual void PreCacheFont(const LOGFONT& log_font) = 0;
-
+  // Request that the given font characters be loaded by the browser so it's
+  // cached by the OS. Please see ChildProcessHost::PreCacheFontCharacters
+  // for details.
+  virtual void PreCacheFontCharacters(const LOGFONT& log_font,
+                                      const std::wstring& str) =0;
   // Release cached font.
   virtual void ReleaseCachedFonts() = 0;
 #endif