PPAPI: Make PPP_MessageHandler work in PNaCl

ppapi/thunk/ppb_instance_api.h

Index: ppapi/thunk/ppb_instance_api.h
diff --git a/ppapi/thunk/ppb_instance_api.h b/ppapi/thunk/ppb_instance_api.h
index 1f0e2a515f8eaac2f0ef452749c690e9fd4fde6c..997c32e4eea5658d61ee0f793adef5ef255fb688 100644
--- a/ppapi/thunk/ppb_instance_api.h
+++ b/ppapi/thunk/ppb_instance_api.h
@@ -7,6 +7,7 @@
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "ppapi/c/dev/ppb_messaging_deprecated.h"
 #include "ppapi/c/dev/ppb_url_util_dev.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
@@ -31,7 +32,7 @@
 
 struct PP_DecryptedBlockInfo;
 struct PP_DecryptedFrameInfo;
-struct PPP_MessageHandler_0_1;
+struct PPP_MessageHandler_0_2;
 
 namespace ppapi {
 
@@ -118,8 +119,13 @@ class PPB_Instance_API {
   virtual void PostMessage(PP_Instance instance, PP_Var message) = 0;
   virtual int32_t RegisterMessageHandler(PP_Instance instance,
                                          void* user_data,
-                                         const PPP_MessageHandler_0_1* handler,
+                                         const PPP_MessageHandler_0_2* handler,
                                          PP_Resource message_loop) = 0;
+  virtual int32_t RegisterMessageHandler_1_1_Deprecated(
+      PP_Instance instance,
+      void* user_data,
+      const PPP_MessageHandler_0_1_Deprecated* handler,
+      PP_Resource message_loop) = 0;
   virtual void UnregisterMessageHandler(PP_Instance instance) = 0;
 
   // Mouse cursor.