events: Move some files into ui/base/events/

ui/base/cocoa/events_mac_unittest.mm

 // Copyright (c) 2011 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 <Cocoa/Cocoa.h>
 
 #include "testing/gtest/include/gtest/gtest.h"
-#include "ui/base/events.h"
+#include "ui/base/events/event_constants.h"
 #include "ui/base/test/cocoa_test_event_utils.h"
 #import "ui/base/test/ui_cocoa_test_helper.h"
 #include "ui/gfx/point.h"
 
 using namespace cocoa_test_event_utils;
 
 namespace {
 
 class EventsMacTest : public ui::CocoaTest {
  public:
@@ skipping 270 matching lines @@
   native_event = MouseEventWithType(NSOtherMouseDragged, 0);
   EXPECT_TRUE(ui::IsMouseEvent(native_event));
 }
 
 TEST_F(EventsMacTest, CreateNoopEvent) {
   NSEvent* native_event = ui::CreateNoopEvent();
   EXPECT_TRUE(native_event != nil);
 }
 
 }  // namespace