events: Make platform specific events code into ui/events/.

ui/aura/test/event_generator.cc

 // Copyright (c) 2012 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.
 
 #include "ui/aura/test/event_generator.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "ui/aura/client/screen_position_client.h"
@@ skipping 430 matching lines @@
     // On Windows, WM_KEYDOWN event is followed by WM_CHAR with a character
     // if the key event cooresponds to a real character.
     key_press = WM_CHAR;
     key_code = static_cast<ui::KeyboardCode>(character);
   }
   MSG native_event =
       { NULL, (is_press ? key_press : WM_KEYUP), key_code, 0 };
   TestKeyEvent keyev(native_event, flags, key_press == WM_CHAR);
 #else
   ui::EventType type = is_press ? ui::ET_KEY_PRESSED : ui::ET_KEY_RELEASED;
-#if defined(USE_X11)
-  scoped_ptr<XEvent> native_event(new XEvent);
-  ui::InitXKeyEventForTesting(type, key_code, flags, native_event.get());
-  TestKeyEvent keyev(native_event.get(), flags, false);
-#else
   ui::KeyEvent keyev(type, key_code, flags, false);
-#endif  // USE_X11
 #endif  // OS_WIN
   Dispatch(&keyev);
 }
 
 void EventGenerator::UpdateCurrentRootWindow(const gfx::Point& point) {
   current_root_window_ = delegate_->GetRootWindowAt(point);
 }
 
 void EventGenerator::PressButton(int flag) {
   if (!(flags_ & flag)) {
@@ skipping 104 matching lines @@
     base::MessageLoopProxy::current()->PostTask(
         FROM_HERE,
         base::Bind(&EventGenerator::DispatchNextPendingEvent,
                    base::Unretained(this)));
   }
 }
 
 
 }  // namespace test
 }  // namespace aura