Remove windows/mac/ios specific code from //ui

ui/events/test/cocoa_test_event_utils.h

-// 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.
-
-#ifndef UI_EVENTS_TEST_COCOA_TEST_EVENT_UTILS_H_
-#define UI_EVENTS_TEST_COCOA_TEST_EVENT_UTILS_H_
-
-#include <utility>
-
-#import <objc/objc-class.h>
-
-#include "base/basictypes.h"
-
-namespace cocoa_test_event_utils {
-
-// Create synthetic mouse events for testing. Currently these are very
-// basic, flesh out as needed.  Points are all in window coordinates;
-// where the window is not specified, coordinate system is undefined
-// (but will be repeated when the event is queried).
-NSEvent* MouseEventWithType(NSEventType type, NSUInteger modifiers);
-NSEvent* MouseEventAtPoint(NSPoint point, NSEventType type,
-                           NSUInteger modifiers);
-NSEvent* LeftMouseDownAtPoint(NSPoint point);
-NSEvent* LeftMouseDownAtPointInWindow(NSPoint point, NSWindow* window);
-NSEvent* RightMouseDownAtPoint(NSPoint point);
-NSEvent* RightMouseDownAtPointInWindow(NSPoint point, NSWindow* window);
-
-// Return a mouse down and an up event with the given |clickCount| at
-// |view|'s midpoint.
-std::pair<NSEvent*, NSEvent*> MouseClickInView(NSView* view,
-                                               NSUInteger clickCount);
-
-// Returns a key event with the given character.
-NSEvent* KeyEventWithCharacter(unichar c);
-
-// Returns a key event with the given type and modifier flags.
-NSEvent* KeyEventWithType(NSEventType event_type, NSUInteger modifiers);
-
-// Returns a key event with the given key code, type, and modifier flags.
-NSEvent* KeyEventWithKeyCode(unsigned short key_code,
-                             unichar c,
-                             NSEventType event_type,
-                             NSUInteger modifiers);
-
-// Returns a mouse enter/exit event with the given type.
-NSEvent* EnterExitEventWithType(NSEventType event_type);
-
-// Return an "other" event with the given type.
-NSEvent* OtherEventWithType(NSEventType event_type);
-
-}  // namespace cocoa_test_event_utils
-
-#endif  // UI_EVENTS_TEST_COCOA_TEST_EVENT_UTILS_H_