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

content/common/view_messages.h

Index: content/common/view_messages.h
===================================================================
--- content/common/view_messages.h	(revision 168878)
+++ content/common/view_messages.h	(working copy)
@@ -7,6 +7,7 @@
 
 #include "base/process.h"
 #include "base/shared_memory.h"
+#include "base/string16.h"
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/edit_command.h"
@@ -2425,3 +2426,12 @@
                      GURL /* top_origin_url */,
                      content::ThreeDAPIType /* context_type */,
                      int /* arb_robustness_status_code */)
+
+#if defined(OS_WIN)
+// Request that the given font characters be loaded by the browser so it's
+// cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
+// for details.
+IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_PreCacheFontCharacters,
+                            LOGFONT /* font_data */,
+                            string16 /* characters */)
+#endif