Pepper WebSocket API: Implement new design Chrome IPC

ppapi/host/ppapi_host.cc

Index: ppapi/host/ppapi_host.cc
diff --git a/ppapi/host/ppapi_host.cc b/ppapi/host/ppapi_host.cc
index 3a7add16037db115b61826731796edd62944375b..e318dd2124617eab4ff23b2783fa16179d217406 100644
--- a/ppapi/host/ppapi_host.cc
+++ b/ppapi/host/ppapi_host.cc
@@ -74,6 +74,12 @@ void PpapiHost::SendReply(const proxy::ResourceMessageReplyParams& params,
   Send(new PpapiPluginMsg_ResourceReply(params, msg));
 }
 
+void PpapiHost::SendUnsolicitedReply(PP_Resource resource,
+                                     const IPC::Message& msg) {
+  proxy::ResourceMessageReplyParams params(resource, 0);
+  Send(new PpapiPluginMsg_ResourceReply(params, msg));
+}
+
 void PpapiHost::AddHostFactoryFilter(scoped_ptr<HostFactory> filter) {
   host_factory_filters_.push_back(filter.release());
 }