Split mojo_system dylib into public and private

mojo/system/local_message_pipe_endpoint.h

 // Copyright 2013 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_SYSTEM_LOCAL_MESSAGE_PIPE_ENDPOINT_H_
 #define MOJO_SYSTEM_LOCAL_MESSAGE_PIPE_ENDPOINT_H_
 
 #include <deque>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "mojo/public/system/core.h"
-#include "mojo/public/system/system_export.h"
 #include "mojo/system/message_pipe_endpoint.h"
+#include "mojo/system/system_impl_export.h"
 #include "mojo/system/waiter_list.h"
 
 namespace mojo {
 namespace system {
 
-class MOJO_SYSTEM_EXPORT LocalMessagePipeEndpoint : public MessagePipeEndpoint {
+class MOJO_SYSTEM_IMPL_EXPORT LocalMessagePipeEndpoint
+    : public MessagePipeEndpoint {
  public:
   LocalMessagePipeEndpoint();
   virtual ~LocalMessagePipeEndpoint();
 
   // |MessagePipeEndpoint| implementation:
   virtual void Close() OVERRIDE;
   virtual bool OnPeerClose() OVERRIDE;
   virtual MojoResult CanEnqueueMessage(
       const MessageInTransit* message,
       const std::vector<Dispatcher*>* dispatchers) OVERRIDE;
@@ skipping 41 matching lines @@
   std::deque<MessageQueueEntry> message_queue_;
   WaiterList waiter_list_;
 
   DISALLOW_COPY_AND_ASSIGN(LocalMessagePipeEndpoint);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_SYSTEM_LOCAL_MESSAGE_PIPE_ENDPOINT_H_