Revert of Use Mojo pipes to signal sync IPC events

ppapi/ppapi_tests.gypi

 # 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.
 
 {
   'targets': [
     {
       # GN version: //ppapi:ppapi_tests
       'target_name': 'ppapi_tests',
       'type': 'loadable_module',
@@ skipping 133 matching lines @@
       # GN version: //ppapi/proxy:test_support
       #             //ppapi/shared_impl:test_support
       'target_name': 'ppapi_unittest_shared',
       'type': 'static_library',
       'dependencies': [
         'ppapi_proxy',
         'ppapi_shared',
         '../base/base.gyp:test_support_base',
         '../ipc/ipc.gyp:ipc',
         '../ipc/ipc.gyp:test_support_ipc',
-        '../mojo/mojo_edk.gyp:mojo_system_impl',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
         'proxy/ppapi_proxy_test.cc',
         'proxy/ppapi_proxy_test.h',
         'proxy/resource_message_test_sink.cc',
         'proxy/resource_message_test_sink.h',
         'shared_impl/test_globals.cc',
         'shared_impl/test_globals.h',
         'shared_impl/test_utils.cc',
         'shared_impl/test_utils.h',
       ],
     },
 
     {
       # GN version: //ppapi:ppapi_perftests
       'target_name': 'ppapi_perftests',
       'type': 'executable',
       'variables': {
         'chromium_code': 1,
       },
       'dependencies': [
         'ppapi_proxy',
         'ppapi_shared',
         'ppapi_unittest_shared',
         '../base/base.gyp:test_support_base',
-        '../mojo/mojo_edk.gyp:mojo_system_impl',
         '../testing/gtest.gyp:gtest',
       ],
       'sources': [
         'proxy/ppapi_perftests.cc',
         'proxy/ppp_messaging_proxy_perftest.cc',
       ],
     },
     {
       # GN version: //ppapi:ppapi_unittests
       'target_name': 'ppapi_unittests',
       'type': 'executable',
       'variables': {
         'chromium_code': 1,
       },
       'dependencies': [
         'ppapi_host',
         'ppapi_proxy',
         'ppapi_shared',
         'ppapi_unittest_shared',
+        '../base/base.gyp:run_all_unittests',
         '../base/base.gyp:test_support_base',
         '../gpu/gpu.gyp:gpu_ipc_common',
         '../ipc/ipc.gyp:ipc',
-        '../ipc/ipc.gyp:ipc_run_all_unittests',
         '../ipc/ipc.gyp:test_support_ipc',
         '../media/media.gyp:shared_memory_support',
         '../skia/skia.gyp:skia',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../ui/surface/surface.gyp:surface',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
         'host/resource_message_filter_unittest.cc',
@@ skipping 479 matching lines @@
           'dependencies': [
             'ppapi_unittests',
           ],
           'includes': [ '../build/isolate.gypi' ],
           'sources': [ 'ppapi_unittests.isolate' ],
         },
       ],
     }],
   ],
 }