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

ui/events/test/cocoa_test_event_utils.mm

-// 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 <Cocoa/Cocoa.h>
-
-#include "ui/events/test/cocoa_test_event_utils.h"
-
-namespace cocoa_test_event_utils {
-
-NSEvent* MouseEventAtPoint(NSPoint point, NSEventType type,
-                           NSUInteger modifiers) {
-  if (type == NSOtherMouseUp) {
-    // To synthesize middle clicks we need to create a CGEvent with the
-    // "center" button flags so that our resulting NSEvent will have the
-    // appropriate buttonNumber field. NSEvent provides no way to create a
-    // mouse event with a buttonNumber directly.
-    CGPoint location = { point.x, point.y };
-    CGEventRef cg_event = CGEventCreateMouseEvent(NULL, kCGEventOtherMouseUp,
-                                                  location,
-                                                  kCGMouseButtonCenter);
-    // Also specify the modifiers for the middle click case. This makes this
-    // test resilient to external modifiers being pressed.
-    CGEventSetFlags(cg_event, modifiers);
-    NSEvent* event = [NSEvent eventWithCGEvent:cg_event];
-    CFRelease(cg_event);
-    return event;
-  }
-  return [NSEvent mouseEventWithType:type
-                            location:point
-                       modifierFlags:modifiers
-                           timestamp:0
-                        windowNumber:0
-                             context:nil
-                         eventNumber:0
-                          clickCount:1
-                            pressure:1.0];
-}
-
-NSEvent* MouseEventWithType(NSEventType type, NSUInteger modifiers) {
-  return MouseEventAtPoint(NSZeroPoint, type, modifiers);
-}
-
-static NSEvent* MouseEventAtPointInWindow(NSPoint point,
-                                          NSEventType type,
-                                          NSWindow* window,
-                                          NSUInteger clickCount) {
-  return [NSEvent mouseEventWithType:type
-                            location:point
-                       modifierFlags:0
-                           timestamp:0
-                        windowNumber:[window windowNumber]
-                             context:nil
-                         eventNumber:0
-                          clickCount:clickCount
-                            pressure:1.0];
-}
-
-NSEvent* RightMouseDownAtPointInWindow(NSPoint point, NSWindow* window) {
-  return MouseEventAtPointInWindow(point, NSRightMouseDown, window, 1);
-}
-
-NSEvent* RightMouseDownAtPoint(NSPoint point) {
-  return RightMouseDownAtPointInWindow(point, nil);
-}
-
-NSEvent* LeftMouseDownAtPointInWindow(NSPoint point, NSWindow* window) {
-  return MouseEventAtPointInWindow(point, NSLeftMouseDown, window, 1);
-}
-
-NSEvent* LeftMouseDownAtPoint(NSPoint point) {
-  return LeftMouseDownAtPointInWindow(point, nil);
-}
-
-std::pair<NSEvent*,NSEvent*> MouseClickInView(NSView* view,
-                                              NSUInteger clickCount) {
-  const NSRect bounds = [view convertRect:[view bounds] toView:nil];
-  const NSPoint mid_point = NSMakePoint(NSMidX(bounds), NSMidY(bounds));
-  NSEvent* down = MouseEventAtPointInWindow(mid_point, NSLeftMouseDown,
-                                            [view window], clickCount);
-  NSEvent* up = MouseEventAtPointInWindow(mid_point, NSLeftMouseUp,
-                                          [view window], clickCount);
-  return std::make_pair(down, up);
-}
-
-NSEvent* KeyEventWithCharacter(unichar c) {
-  return KeyEventWithKeyCode(0, c, NSKeyDown, 0);
-}
-
-NSEvent* KeyEventWithType(NSEventType event_type, NSUInteger modifiers) {
-  return KeyEventWithKeyCode(0x78, 'x', event_type, modifiers);
-}
-
-NSEvent* KeyEventWithKeyCode(unsigned short key_code,
-                             unichar c,
-                             NSEventType event_type,
-                             NSUInteger modifiers) {
-  NSString* chars = [NSString stringWithCharacters:&c length:1];
-  return [NSEvent keyEventWithType:event_type
-                          location:NSZeroPoint
-                     modifierFlags:modifiers
-                         timestamp:0
-                      windowNumber:0
-                           context:nil
-                        characters:chars
-       charactersIgnoringModifiers:chars
-                         isARepeat:NO
-                           keyCode:key_code];
-}
-
-NSEvent* EnterExitEventWithType(NSEventType event_type) {
-  return [NSEvent enterExitEventWithType:event_type
-                                location:NSZeroPoint
-                           modifierFlags:0
-                               timestamp:0
-                            windowNumber:0
-                                 context:nil
-                             eventNumber:0
-                          trackingNumber:0
-                                userData:NULL];
-}
-
-NSEvent* OtherEventWithType(NSEventType event_type) {
-  return [NSEvent otherEventWithType:event_type
-                            location:NSZeroPoint
-                       modifierFlags:0
-                           timestamp:0
-                        windowNumber:0
-                             context:nil
-                             subtype:0
-                               data1:0
-                               data2:0];
-}
-
-}  // namespace cocoa_test_event_utils