Remove SimpleBroker and instead use the production broker implementation in tests.

mojo/mojo_edk.gyp

 # Copyright 2015 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.
 
 {
   'includes': [
     '../third_party/mojo/mojo_variables.gypi',
   ],
   'target_defaults' : {
     'include_dirs': [
@@ skipping 89 matching lines @@
         'edk/system/child_broker.cc',
         'edk/system/child_broker.h',
         'edk/system/platform_handle_dispatcher.cc',
         'edk/system/platform_handle_dispatcher.h',
         'edk/system/raw_channel.cc',
         'edk/system/raw_channel.h',
         'edk/system/raw_channel_posix.cc',
         'edk/system/raw_channel_win.cc',
         'edk/system/shared_buffer_dispatcher.cc',
         'edk/system/shared_buffer_dispatcher.h',
-        'edk/system/simple_broker.cc',
-        'edk/system/simple_broker.h',
         'edk/system/simple_dispatcher.cc',
         'edk/system/simple_dispatcher.h',
         'edk/system/transport_data.cc',
         'edk/system/transport_data.h',
         'edk/system/waiter.cc',
         'edk/system/waiter.h',
         # Test-only code:
         # TODO(vtl): It's a little unfortunate that these end up in the same
         # component as non-test-only code. In the static build, this code
         # should hopefully be dead-stripped.
@@ skipping 102 matching lines @@
         '../third_party/mojo/mojo_public.gyp:mojo_public_test_support',
         'mojo_system_impl2',
         'mojo_test_support_impl2',
       ],
       'sources': [
         'edk/test/run_all_unittests.cc',
       ],
     },
   ],
 }