Extract Awakable from Waiter

mojo/edk/system/BUILD.gn

 # Copyright 2014 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.
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 config("system_config") {
@@ skipping 61 matching lines @@
     "raw_channel_posix.cc",
     "raw_channel_win.cc",
     "shared_buffer_dispatcher.cc",
     "shared_buffer_dispatcher.h",
     "simple_dispatcher.cc",
     "simple_dispatcher.h",
     "transport_data.cc",
     "transport_data.h",
     "waiter.cc",
     "waiter.h",
-    "waiter_list.cc",
-    "waiter_list.h",
+    "awakable.h",
+    "awakable_list.cc",
+    "awakable_list.h",
   ]
 
   defines = [
     "MOJO_SYSTEM_IMPL_IMPLEMENTATION",
     "MOJO_SYSTEM_IMPLEMENTATION",
   ]
 
   all_dependent_configs = [ ":system_config" ]
 
   public_deps = [
@@ skipping 43 matching lines @@
     "message_pipe_test_utils.h",
     "message_pipe_unittest.cc",
     "multiprocess_message_pipe_unittest.cc",
     "options_validation_unittest.cc",
     "platform_handle_dispatcher_unittest.cc",
     "raw_channel_unittest.cc",
     "remote_message_pipe_unittest.cc",
     "run_all_unittests.cc",
     "shared_buffer_dispatcher_unittest.cc",
     "simple_dispatcher_unittest.cc",
-    "waiter_list_unittest.cc",
+    "awakable_list_unittest.cc",
     "waiter_test_utils.cc",
     "waiter_test_utils.h",
     "waiter_unittest.cc",
   ]
 
   deps = [
     ":system",
     ":test_utils",
     "//base",
     "//base/test:test_support",
@@ skipping 31 matching lines @@
 }
 
 if (is_android) {
   unittest_apk("mojo_system_unittests_apk") {
     deps = [
       ":mojo_system_unittests",
     ]
     unittests_dep = ":mojo_system_unittests"
   }
 }