Add missing files/deps/defines

ui/events/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.
 
 import("//build/config/ui.gni")
 
 static_library("dom4_keycode_converter") {
   sources = [
     "keycodes/dom4/keycode_converter.cc",
     "keycodes/dom4/keycode_converter.h",
@@ skipping 56 matching lines @@
       "x/touch_factory_x11.h",
     ]
   }
 }
 
 component("events") {
   deps = [
     ":dom4_keycode_converter",
     ":events_base",
     ":gesture_detection",
+    "//base/third_party/dynamic_annotations",
     "//skia",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 
   defines = [ "EVENTS_IMPLEMENTATION" ]
 
   sources = [
     "cocoa/cocoa_event_utils.h",
     "cocoa/cocoa_event_utils.mm",
@@ skipping 216 matching lines @@
     ":events_base",
     ":events_test_support",
     ":gesture_detection",
     "//base",
     "//base/test:run_all_unittests",
     "//skia",
     "//testing/gtest",
     "//ui/gfx:gfx_test_support",
   ]
 }