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 f13cea05aa130592b0a4f334d5865d175ec5af0c..1361da2fe80dbb7fe62458e233513aa5ebf9dc8e 100644
--- a/ppapi/host/ppapi_host.cc
+++ b/ppapi/host/ppapi_host.cc
@@ -79,6 +79,12 @@ void PpapiHost::SendReply(const ReplyMessageContext& context,
   }
 }
 
+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());
 }