Remove app/win/win_util.h,cc etc.

views/controls/textfield/textfield.cc

Index: views/controls/textfield/textfield.cc
diff --git a/views/controls/textfield/textfield.cc b/views/controls/textfield/textfield.cc
index a228ed970e2480e3b1da0406c3231de7aef92fb9..cbd6f522aab5f6f0847bebf7cdc03900841f94b0 100644
--- a/views/controls/textfield/textfield.cc
+++ b/views/controls/textfield/textfield.cc
@@ -21,7 +21,6 @@
 #if defined(OS_LINUX)
 #include "ui/base/keycodes/keyboard_code_conversion_gtk.h"
 #elif defined(OS_WIN)
-#include "app/win/win_util.h"
 #include "base/win/win_util.h"
 // TODO(beng): this should be removed when the OS_WIN hack from
 // ViewHierarchyChanged is removed.
@@ -318,7 +317,7 @@ bool Textfield::SkipDefaultKeyEventProcessing(const KeyEvent& e) {
   // We don't translate accelerators for ALT + NumPad digit on Windows, they are
   // used for entering special characters.  We do translate alt-home.
   if (e.IsAltDown() && (key != ui::VKEY_HOME) &&
-      app::win::IsNumPadDigit(key, e.IsExtendedKey()))
+      NativeTextfieldWin::IsNumPadDigit(key, e.IsExtendedKey()))
     return true;
 #endif
   return false;