WIP: A couple of more ChannelMojo speedup ideas

third_party/mojo/src/mojo/edk/system/endpoint_relayer.h

 // Copyright 2014 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_ENDPOINT_RELAYER_H_
 #define MOJO_EDK_SYSTEM_ENDPOINT_RELAYER_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
@@ skipping 11 matching lines @@
  public:
   EndpointRelayer();
 
   // Gets the other port number (i.e., 0 -> 1, 1 -> 0).
   static unsigned GetPeerPort(unsigned port);
 
   // Initialize this object. This must be called before any other method.
   void Init(ChannelEndpoint* endpoint0, ChannelEndpoint* endpoint1);
 
   // |ChannelEndpointClient| methods:
-  bool OnReadMessage(unsigned port, MessageInTransit* message) override;
+  bool OnReadMessage(unsigned port,
+                     MessageInTransit::ReadContext& reading_message) override;
   void OnDetachFromChannel(unsigned port) override;
 
  private:
   ~EndpointRelayer() override;
 
   // TODO(vtl): We could probably get away without the lock if we had a
   // thread-safe |scoped_refptr|.
   base::Lock lock_;  // Protects the following members.
   scoped_refptr<ChannelEndpoint> endpoints_[2];
 
   DISALLOW_COPY_AND_ASSIGN(EndpointRelayer);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_ENDPOINT_RELAYER_H_