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 76 matching lines @@
     "mach_port_attachment_mac.cc",
     "mach_port_attachment_mac.h",
     "mach_port_mac.cc",
     "mach_port_mac.h",
     "message_filter.cc",
     "message_filter.h",
     "message_filter_router.cc",
     "message_filter_router.h",
     "message_router.cc",
     "message_router.h",
+    "mojo_event.cc",
+    "mojo_event.h",
     "param_traits_log_macros.h",
     "param_traits_macros.h",
     "param_traits_read_macros.h",
     "param_traits_write_macros.h",
     "placeholder_brokerable_attachment.cc",
     "placeholder_brokerable_attachment.h",
     "struct_constructor_macros.h",
     "struct_destructor_macros.h",
     "unix_domain_socket_util.cc",
     "unix_domain_socket_util.h",
@@ skipping 13 matching lines @@
   }
 
   if (is_win || is_nacl_nonsfi) {
     sources -= [ "unix_domain_socket_util.cc" ]
   }
 
   defines = [ "IPC_IMPLEMENTATION" ]
 
   public_deps = [
     ":param_traits",
+    "//mojo/public/cpp/system",
   ]
   deps = [
     "//base",
 
     # TODO(viettrungluu): Needed for base/lazy_instance.h, which is suspect.
     "//base/third_party/dynamic_annotations",
+    "//mojo/public/cpp/bindings",
   ]
 
   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" ]
   }
 }
 
 # This is provided as a separate target so other targets can provide param
 # traits implementations without necessarily linking to all of IPC.
 source_set("param_traits") {
   public = [
     "ipc_param_traits.h",
   ]
 }
 
 if (!is_ios) {
+  source_set("run_all_unittests") {
+    testonly = true
+
+    sources = [
+      "run_all_unittests.cc",
+    ]
+
+    deps = [
+      "//base",
+      "//base/test:test_support",
+      "//mojo/edk/system",
+    ]
+  }
+
   test("ipc_tests") {
     sources = [
       "attachment_broker_mac_unittest.cc",
       "attachment_broker_privileged_mac_unittest.cc",
       "attachment_broker_privileged_win_unittest.cc",
       "ipc_channel_posix_unittest.cc",
       "ipc_channel_proxy_unittest.cc",
       "ipc_channel_reader_unittest.cc",
       "ipc_fuzzing_tests.cc",
       "ipc_message_attachment_set_posix_unittest.cc",
       "ipc_message_unittest.cc",
       "ipc_message_utils_unittest.cc",
       "ipc_sync_channel_unittest.cc",
       "ipc_sync_message_unittest.cc",
       "ipc_sync_message_unittest.h",
       "ipc_test_message_generator.cc",
       "ipc_test_message_generator.h",
       "ipc_test_messages.h",
-      "run_all_unittests.cc",
       "sync_socket_unittest.cc",
     ]
 
     if (!is_win && !is_ios) {
       sources += [ "unix_domain_socket_util_unittest.cc" ]
     }
 
     if (!is_android) {
       sources += [ "ipc_channel_unittest.cc" ]
     }
 
     if (!is_ios) {
       sources += [ "ipc_send_fds_test.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",
+      ":run_all_unittests",
       ":test_support",
       "//base",
       "//base:i18n",
       "//base/test:test_support",
       "//crypto",
       "//testing/gtest",
     ]
 
     if (is_mac) {
       deps += [ "//sandbox/mac:seatbelt" ]
@@ skipping 42 matching lines @@
     public_deps = [
       ":ipc",
     ]
     deps = [
       "//base",
       "//base/test:test_support",
       "//testing/gtest",
     ]
   }
 }