Adds associated interface support to IPC::Channel

ipc/ipc.gyp

 # Copyright (c) 2012 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,
   },
   'includes': [
     'ipc.gypi',
@@ skipping 43 matching lines @@
       'dependencies': [
         'ipc_interfaces_mojom',
         '../base/base.gyp:base',
         '../mojo/mojo_public.gyp:mojo_interface_bindings_generation',
       ],
       'include_dirs': [
         '..',
       ],
     },
     {
+      'target_name': 'ipc_test_interfaces',
+      'type': 'static_library',
+      'sources': [
+        'ipc_test.mojom',
+      ],
+      'includes': [ '../mojo/mojom_bindings_generator.gypi' ],
+    },
+    {
       'target_name': 'ipc_run_all_unittests',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:test_support_base',
         '../mojo/mojo_edk.gyp:mojo_common_test_support',
         '../mojo/mojo_edk.gyp:mojo_system_impl',
         '../testing/gtest.gyp:gtest',
       ],
       'include_dirs': [
@@ skipping 231 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'ipc_tests.isolate',
           ],
         },
       ],
     }],
   ],
 }