PPAPI: Make PPP_MessageHandler work in PNaCl

ppapi/proxy/ppb_instance_proxy.cc

Index: ppapi/proxy/ppb_instance_proxy.cc
diff --git a/ppapi/proxy/ppb_instance_proxy.cc b/ppapi/proxy/ppb_instance_proxy.cc
index e93a21900ef5eacda01d61841b48f970d035fb7e..1dfb897ca681e99acd45a7aea198da903fda2d19 100644
--- a/ppapi/proxy/ppb_instance_proxy.cc
+++ b/ppapi/proxy/ppb_instance_proxy.cc
@@ -838,7 +838,7 @@ void PPB_Instance_Proxy::PostMessage(PP_Instance instance,
 int32_t PPB_Instance_Proxy::RegisterMessageHandler(
     PP_Instance instance,
     void* user_data,
-    const PPP_MessageHandler_0_1* handler,
+    const PPP_MessageHandler_0_2* handler,
     PP_Resource message_loop) {
   InstanceData* data =
       static_cast<PluginDispatcher*>(dispatcher())->GetInstanceData(instance);
@@ -853,6 +853,25 @@ int32_t PPB_Instance_Proxy::RegisterMessageHandler(
   return result;
 }
 
+// TODO(dmichael): Remove this. crbug.com/414398
+int32_t PPB_Instance_Proxy::RegisterMessageHandler_1_1_Deprecated(
+    PP_Instance instance,
+    void* user_data,
+    const PPP_MessageHandler_0_1_Deprecated* handler,
+    PP_Resource message_loop) {
+  InstanceData* data =
+      static_cast<PluginDispatcher*>(dispatcher())->GetInstanceData(instance);
+  if (!data)
+    return PP_ERROR_BADARGUMENT;
+
+  int32_t result = PP_ERROR_FAILED;
+  scoped_ptr<MessageHandler> message_handler = MessageHandler::CreateDeprecated(
+      instance, handler, user_data, message_loop, &result);
+  if (message_handler)
+    data->message_handler = message_handler.Pass();
+  return result;
+}
+
 void PPB_Instance_Proxy::UnregisterMessageHandler(PP_Instance instance) {
   InstanceData* data =
       static_cast<PluginDispatcher*>(dispatcher())->GetInstanceData(instance);