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

ui/platform_window/win/win_window.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_PLATFORM_WINDOW_WIN_WIN_WINDOW_H_
-#define UI_PLATFORM_WINDOW_WIN_WIN_WINDOW_H_
-
-#include "base/compiler_specific.h"
-#include "ui/gfx/win/window_impl.h"
-#include "ui/platform_window/platform_window.h"
-#include "ui/platform_window/win/win_window_export.h"
-
-namespace ui {
-
-class WIN_WINDOW_EXPORT WinWindow : public NON_EXPORTED_BASE(PlatformWindow),
-                                    public gfx::WindowImpl {
- public:
-  WinWindow(PlatformWindowDelegate* delegate, const gfx::Rect& bounds);
-  virtual ~WinWindow();
-
- private:
-  void Destroy();
-
-  // PlatformWindow:
-  virtual void Show() override;
-  virtual void Hide() override;
-  virtual void Close() override;
-  virtual void SetBounds(const gfx::Rect& bounds) override;
-  virtual gfx::Rect GetBounds() override;
-  virtual void SetCapture() override;
-  virtual void ReleaseCapture() override;
-  virtual void ToggleFullscreen() override;
-  virtual void Maximize() override;
-  virtual void Minimize() override;
-  virtual void Restore() override;
-  virtual void SetCursor(PlatformCursor cursor) override;
-  virtual void MoveCursorTo(const gfx::Point& location) override;
-
-  CR_BEGIN_MSG_MAP_EX(WinWindow)
-    CR_MESSAGE_RANGE_HANDLER_EX(WM_MOUSEFIRST, WM_MOUSELAST, OnMouseRange)
-    CR_MESSAGE_RANGE_HANDLER_EX(WM_NCMOUSEMOVE,
-                                WM_NCXBUTTONDBLCLK,
-                                OnMouseRange)
-    CR_MESSAGE_HANDLER_EX(WM_CAPTURECHANGED, OnCaptureChanged)
-
-    CR_MESSAGE_HANDLER_EX(WM_KEYDOWN, OnKeyEvent)
-    CR_MESSAGE_HANDLER_EX(WM_KEYUP, OnKeyEvent)
-    CR_MESSAGE_HANDLER_EX(WM_SYSKEYDOWN, OnKeyEvent)
-    CR_MESSAGE_HANDLER_EX(WM_SYSKEYUP, OnKeyEvent)
-    CR_MESSAGE_HANDLER_EX(WM_CHAR, OnKeyEvent)
-    CR_MESSAGE_HANDLER_EX(WM_SYSCHAR, OnKeyEvent)
-    CR_MESSAGE_HANDLER_EX(WM_IME_CHAR, OnKeyEvent)
-    CR_MESSAGE_HANDLER_EX(WM_NCACTIVATE, OnNCActivate)
-
-    CR_MSG_WM_CLOSE(OnClose)
-    CR_MSG_WM_CREATE(OnCreate)
-    CR_MSG_WM_DESTROY(OnDestroy)
-    CR_MSG_WM_PAINT(OnPaint)
-    CR_MSG_WM_WINDOWPOSCHANGED(OnWindowPosChanged)
-  CR_END_MSG_MAP()
-
-  LRESULT OnMouseRange(UINT message, WPARAM w_param, LPARAM l_param);
-  LRESULT OnCaptureChanged(UINT message, WPARAM w_param, LPARAM l_param);
-  LRESULT OnKeyEvent(UINT message, WPARAM w_param, LPARAM l_param);
-  LRESULT OnNCActivate(UINT message, WPARAM w_param, LPARAM l_param);
-  void OnClose();
-  LRESULT OnCreate(CREATESTRUCT* create_struct);
-  void OnDestroy();
-  void OnPaint(HDC);
-  void OnWindowPosChanged(WINDOWPOS* window_pos);
-
-  PlatformWindowDelegate* delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(WinWindow);
-};
-
-namespace test {
-
-// Set true to let WindowTreeHostWin use a popup window
-// with no frame/title so that the window size and test's
-// expectations matches.
-WIN_WINDOW_EXPORT void SetUsePopupAsRootWindowForTest(bool use);
-
-}  // namespace test
-
-}  // namespace ui
-
-#endif  // UI_PLATFORM_WINDOW_WIN_WIN_WINDOW_H_