GN: Fix up various gpu targets

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 250 matching lines @@
   } else {
     sources -= [
       "test/events_test_utils_x11.cc",
       "test/events_test_utils_x11.h",
     ]
   }
 }
 
 test("events_unittests") {
   sources = [
-    "cocoa/cocoa_event_utils_unittest.mm",
+    "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",
     "gesture_detection/bitset_32_unittest.cc",
     "gesture_detection/gesture_provider_unittest.cc",
     "gesture_detection/mock_motion_event.h",
     "gesture_detection/mock_motion_event.cc",
     "gesture_detection/velocity_tracker_unittest.cc",
@@ skipping 22 matching lines @@
     ":events_base",
     ":events_test_support",
     ":gesture_detection",
     "//base",
     "//base/test:run_all_unittests",
     "//skia",
     "//testing/gtest",
     "//ui/gfx:gfx_test_support",
   ]
 }