Revert of Use Mojo pipes to signal sync IPC events

gpu/gpu.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': {
     'nacl_win64_target': 0,
     'build_angle_deqp_tests%': 0,
   },
   'includes': [
@@ skipping 297 matching lines @@
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
       # GN version: //gpu/ipc/service:gpu_ipc_service_unittests
       'target_name': 'gpu_ipc_service_unittests',
       'type': '<(gtest_target_type)',
       'dependencies': [
         '../base/base.gyp:base',
+        '../base/base.gyp:run_all_unittests',
         '../base/base.gyp:test_support_base',
-        '../ipc/ipc.gyp:ipc_run_all_unittests',
         '../ipc/ipc.gyp:test_support_ipc',
         '../skia/skia.gyp:skia',
         '../testing/gtest.gyp:gtest',
         '../testing/gmock.gyp:gmock',
         '../third_party/mesa/mesa.gyp:mesa_headers',
         '../ui/gfx/gfx.gyp:gfx_test_support',
         '../ui/gl/gl.gyp:gl',
         '../ui/gl/init/gl_init.gyp:gl_init',
         '../ui/gl/gl.gyp:gl_unittest_utils',
         '../ui/gl/gl.gyp:gl_test_support',
@@ skipping 880 matching lines @@
             ],
             'sources': [
               'gpu_unittests_apk.isolate',
             ],
           },
         ],
       },
     ],
   ],
 }