Mojo: Abstract out the endpoints of MessagePipes.

mojo/mojo.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'target_defaults': {
     'defines': ['MOJO_IMPLEMENTATION'],
@@ skipping 60 matching lines @@
       'defines': [
         'MOJO_SYSTEM_IMPLEMENTATION',
       ],
       'sources': [
         'system/core.cc',
         'system/core_impl.cc',
         'system/core_impl.h',
         'system/dispatcher.cc',
         'system/dispatcher.h',
         'system/limits.h',
+        'system/local_message_pipe_endpoint.cc',
+        'system/local_message_pipe_endpoint.h',
         'system/memory.cc',
         'system/memory.h',
         'system/message_in_transit.cc',
         'system/message_in_transit.h',
         'system/message_pipe.cc',
         'system/message_pipe.h',
         'system/message_pipe_dispatcher.cc',
         'system/message_pipe_dispatcher.h',
+        'system/message_pipe_endpoint.cc',
+        'system/message_pipe_endpoint.h',
         'system/platform_channel_handle.h',
         'system/raw_channel.h',
         'system/raw_channel_posix.cc',
         'system/simple_dispatcher.cc',
         'system/simple_dispatcher.h',
         'system/waiter.cc',
         'system/waiter.h',
         'system/waiter_list.cc',
         'system/waiter_list.h',
       ],
@@ skipping 92 matching lines @@
       'sources': [
         'public/bindings/sample/generated/sample_service.h',
         'public/bindings/sample/generated/sample_service_proxy.cc',
         'public/bindings/sample/generated/sample_service_serialization.h',
         'public/bindings/sample/generated/sample_service_stub.cc',
         'public/bindings/sample/sample_test.cc',
       ],
     },
   ],
 }