Use Mojo pipes to signal sync IPC events

ipc/BUILD.gn

 # 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.
 
 import("//build/config/nacl/config.gni")
 import("//testing/test.gni")
 import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
 
 component("ipc") {
   sources = [
@@ skipping 109 matching lines @@
   }
 
   if (is_win || is_nacl_nonsfi) {
     sources -= [ "unix_domain_socket_util.cc" ]
   }
 
   defines = [ "IPC_IMPLEMENTATION" ]
 
   public_deps = [
     ":param_traits",
+    "//mojo/public/cpp/bindings",
+    "//mojo/public/cpp/system",
   ]
+
   deps = [
     "//base",
 
     # TODO(viettrungluu): Needed for base/lazy_instance.h, which is suspect.
     "//base/third_party/dynamic_annotations",
+    "//mojo/public/c/system:for_component",
   ]
 
   if (is_win || is_mac) {
     # On Windows HandleAttachmentWin needs to generate random IDs.
     # On Mac MachPortAttachmentMac needs to generate random IDs.
     deps += [ "//crypto" ]
   }
 
   if (enable_ipc_fuzzer) {
     public_configs = [ "//tools/ipc_fuzzer:ipc_fuzzer_config" ]
@@ skipping 48 matching lines @@
     #  deps += "/testing/android/native_test.gyp:native_testNative_code"
     #}
 
     deps = [
       ":ipc",
       ":test_support",
       "//base",
       "//base:i18n",
       "//base/test:test_support",
       "//crypto",
+      "//mojo/edk/system",
       "//testing/gtest",
     ]
 
     if (is_mac) {
       deps += [ "//sandbox/mac:seatbelt" ]
     }
   }
 
   test("ipc_perftests") {
     sources = [
       "ipc_perftests.cc",
     ]
 
     # TODO(brettw) hook up Android testing.
     #if (is_android && gtest_target_type == "shared_library") {
     #  deps += "/testing/android/native_test.gyp:native_testNative_code"
     #}
 
     deps = [
       ":ipc",
       ":test_support",
       "//base",
       "//base:i18n",
       "//base/test:test_support",
       "//base/test:test_support_perf",
+      "//mojo/edk/system",
       "//testing/gtest",
     ]
   }
 
   source_set("test_support") {
     testonly = true
     sources = [
       "ipc_multiprocess_test.cc",
       "ipc_multiprocess_test.h",
       "ipc_perftest_support.cc",
       "ipc_perftest_support.h",
       "ipc_security_test_util.cc",
       "ipc_security_test_util.h",
       "ipc_test_base.cc",
       "ipc_test_base.h",
       "ipc_test_channel_listener.cc",
       "ipc_test_channel_listener.h",
       "ipc_test_sink.cc",
       "ipc_test_sink.h",
       "test_util_mac.cc",
       "test_util_mac.h",
     ]
     public_deps = [
       ":ipc",
     ]
     deps = [
       "//base",
       "//base/test:test_support",
+      "//mojo/edk/system",
       "//testing/gtest",
     ]
   }
 }