[mojo-edk] Sanity checks on ports message parsing

mojo/edk/system/node_channel.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MOJO_EDK_SYSTEM_NODE_CHANNEL_H_
 #define MOJO_EDK_SYSTEM_NODE_CHANNEL_H_
 
 #include <queue>
 #include <unordered_map>
 #include <utility>
@@ skipping 35 matching lines @@
                                 const ports::NodeName& child_name) = 0;
     virtual void OnAddBrokerClient(const ports::NodeName& from_node,
                                    const ports::NodeName& client_name,
                                    base::ProcessHandle process_handle) = 0;
     virtual void OnBrokerClientAdded(const ports::NodeName& from_node,
                                      const ports::NodeName& client_name,
                                      ScopedPlatformHandle broker_channel) = 0;
     virtual void OnAcceptBrokerClient(const ports::NodeName& from_node,
                                       const ports::NodeName& broker_name,
                                       ScopedPlatformHandle broker_channel) = 0;
-    virtual void OnPortsMessage(Channel::MessagePtr message) = 0;
+    virtual void OnPortsMessage(const ports::NodeName& from_node,
+                                Channel::MessagePtr message) = 0;
     virtual void OnRequestPortMerge(const ports::NodeName& from_node,
                                     const ports::PortName& connector_port_name,
                                     const std::string& token) = 0;
     virtual void OnRequestIntroduction(const ports::NodeName& from_node,
                                        const ports::NodeName& name) = 0;
     virtual void OnIntroduce(const ports::NodeName& from_node,
                              const ports::NodeName& name,
                              ScopedPlatformHandle channel_handle) = 0;
 #if defined(OS_WIN) || (defined(OS_MACOSX) && !defined(OS_IOS))
     virtual void OnRelayPortsMessage(const ports::NodeName& from_node,
@@ skipping 107 matching lines @@
   PendingRelayMessageQueue pending_relay_messages_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(NodeChannel);
 };
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_NODE_CHANNEL_H_