Reland "ui/aura: Enable the build of demo, bench and unit..."

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 198 matching lines @@
     sources += [ "gesture_detection/gesture_config_helper_aura.cc" ]
   } else {
     sources += [ "gesture_detection/gesture_config_helper.cc" ]
   }
 }
 
 source_set("test_support") {
   sources = [
     "test/cocoa_test_event_utils.h",
     "test/cocoa_test_event_utils.mm",
+    "test/event_generator.cc",
+    "test/event_generator.h",
     "test/events_test_utils.cc",
     "test/events_test_utils.h",
     "test/events_test_utils_x11.cc",
     "test/events_test_utils_x11.h",
     "test/mock_motion_event.cc",
     "test/mock_motion_event.h",
     "test/platform_event_waiter.cc",
     "test/platform_event_waiter.h",
     "test/test_event_handler.cc",
     "test/test_event_handler.h",
@@ skipping 17 matching lines @@
   }
 
   if (use_x11) {
     configs += [ "//build/config/linux:x11" ]
   } else {
     sources -= [
       "test/events_test_utils_x11.cc",
       "test/events_test_utils_x11.h",
     ]
   }
+
+  if (is_android) {
+    # Event generator not yet ported to Android.
+    sources -= [
+      "test/event_generator.cc",
+      "test/event_generator.h",
+    ]
+  }
 }
 
 test("events_unittests") {
   sources = [
     "cocoa/events_mac_unittest.mm",
     "event_dispatcher_unittest.cc",
     "event_processor_unittest.cc",
     "event_rewriter_unittest.cc",
     "event_unittest.cc",
     "gestures/velocity_calculator_unittest.cc",
@@ skipping 27 matching lines @@
     ":events_base",
     ":gesture_detection",
     ":test_support",
     "//base",
     "//base/test:run_all_unittests",
     "//skia",
     "//testing/gtest",
     "//ui/gfx:test_support",
   ]
 }