Fixing flaky overscroll and touch exploration mode browser tests.

ui/aura/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")
 
 component("aura") {
   sources = [
     "client/aura_constants.cc",
     "client/aura_constants.h",
@@ skipping 146 matching lines @@
     "test/test_focus_client.h",
     "test/test_screen.cc",
     "test/test_screen.h",
     "test/test_window_tree_client.cc",
     "test/test_window_tree_client.h",
     "test/test_windows.cc",
     "test/test_windows.h",
     "test/test_window_delegate.cc",
     "test/test_window_delegate.h",
     "test/ui_controls_factory_aura.h",
+    "test/window_event_dispatcher_test_api.cc",
+    "test/window_event_dispatcher_test_api.h",
     "test/window_test_api.cc",
     "test/window_test_api.h",
   ]
 
   deps = [
     ":aura",
     "//skia",
     "//testing/gtest",
     "//ui/base",
     "//ui/base:ui_base_test_support",
@@ skipping 117 matching lines @@
 #    ]
 #  }
 #
 #  if (is_linux) { # && use_allocator != "none") {
 #    deps += [
 #      # See http://crbug.com/162998#c4 for why this is needed.
 #      "//base/allocator",
 #    ]
 #  }
 #}