Add Windows commandline switch --enable-views-textfield.

ui/views/widget/native_widget_win.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/views/widget/native_widget_win.h"
 
 #include <dwmapi.h>
 #include <shellapi.h>
 
 #include <algorithm>
@@ skipping 650 matching lines @@
 
 void NativeWidgetWin::ReleaseCapture() {
   ::ReleaseCapture();
 }
 
 bool NativeWidgetWin::HasCapture() const {
   return ::GetCapture() == hwnd();
 }
 
 InputMethod* NativeWidgetWin::CreateInputMethod() {
-#if defined(USE_AURA)
   InputMethod* input_method = new InputMethodWin(this);
   input_method->Init(GetWidget());
   return input_method;
-#else
-  return NULL;
-#endif
 }
 
 void NativeWidgetWin::CenterWindow(const gfx::Size& size) {
   HWND parent = GetParent();
   if (!IsWindow())
     parent = ::GetWindow(GetNativeView(), GW_OWNER);
   ui::CenterAndSizeWindow(parent, GetNativeView(), size);
 }
 
 void NativeWidgetWin::GetWindowPlacement(
@@ skipping 2038 matching lines @@
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   // This currently isn't necessary because we're not generating touch events on
   // windows.  When we do, this will need to be updated.
   return false;
 }
 
 }  // namespace internal
 
 }  // namespace views