Disable touch calibration on external touchscreen.

ui/views/widget/desktop_aura/desktop_root_window_host_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/desktop_aura/desktop_root_window_host_win.h"
 
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/default_capture_client.h"
@@ skipping 81 matching lines @@
 
   HWND parent_hwnd = NULL;
   aura::Window* parent_window = params.parent;
   if (parent_window)
     parent_hwnd = parent_window->GetRootWindow()->GetAcceleratedWidget();
 
   message_handler_->Init(parent_hwnd, params.bounds);
 
   message_handler_->set_remove_standard_frame(params.remove_standard_frame);
 
-  aura::RootWindow::CreateParams rw_params(params.bounds);
+  aura::RootWindow::CreateParams rw_params(params.bounds, false);
   rw_params.host = this;
   root_window_ = new aura::RootWindow(rw_params);
 
   // TODO(beng): We probably need to move these two calls to some function that
   //             can change depending on the native-ness of the frame. For right
   //             now in the hack-n-slash days of win-aura, we can just
   //             unilaterally turn this on.
   root_window_->compositor()->SetHostHasTransparentBackground(true);
   root_window_->SetTransparent(true);
 
@@ skipping 652 matching lines @@
 DesktopRootWindowHost* DesktopRootWindowHost::Create(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura,
     const gfx::Rect& initial_bounds) {
   return new DesktopRootWindowHostWin(native_widget_delegate,
                                       desktop_native_widget_aura,
                                       initial_bounds);
 }
 
 }  // namespace views