Move UI-relevant Windows files to ui/base.

views/controls/menu/native_menu_win.cc

Index: views/controls/menu/native_menu_win.cc
===================================================================
--- views/controls/menu/native_menu_win.cc	(revision 71828)
+++ views/controls/menu/native_menu_win.cc	(working copy)
@@ -6,7 +6,6 @@
 
 #include "app/l10n_util.h"
 #include "app/l10n_util_win.h"
-#include "app/win/hwnd_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/stl_util-inl.h"
@@ -15,6 +14,7 @@
 #include "gfx/font.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/keycodes/keyboard_codes.h"
+#include "ui/base/win/hwnd_util.h"
 #include "views/accelerator.h"
 #include "views/controls/menu/menu_2.h"
 
@@ -60,7 +60,7 @@
     RegisterClass();
     hwnd_ = CreateWindowEx(l10n_util::GetExtendedStyles(), kWindowClassName,
                            L"", 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL);
-    app::win::SetWindowUserData(hwnd_, this);
+    ui::SetWindowUserData(hwnd_, this);
   }
 
   ~MenuHostWindow() {
@@ -278,7 +278,7 @@
                                              WPARAM w_param,
                                              LPARAM l_param) {
     MenuHostWindow* host =
-        reinterpret_cast<MenuHostWindow*>(app::win::GetWindowUserData(window));
+        reinterpret_cast<MenuHostWindow*>(ui::GetWindowUserData(window));
     // host is null during initial construction.
     LRESULT l_result = 0;
     if (!host || !host->ProcessWindowMessage(window, message, w_param, l_param,