Disable touch calibration on external touchscreen.

ui/aura/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/aura/root_window_host_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 
@@ skipping 11 matching lines @@
 using std::min;
 
 namespace aura {
 namespace {
 
 bool use_popup_as_root_window_for_test = false;
 
 }  // namespace
 
 // static
-RootWindowHost* RootWindowHost::Create(const gfx::Rect& bounds) {
+RootWindowHost* RootWindowHost::Create(const gfx::Rect& bounds,
+                                       bool is_internal_display) {
   return new RootWindowHostWin(bounds);
 }
 
 // static
 gfx::Size RootWindowHost::GetNativeScreenSize() {
   return gfx::Size(GetSystemMetrics(SM_CXSCREEN),
                    GetSystemMetrics(SM_CYSCREEN));
 }
 
 RootWindowHostWin::RootWindowHostWin(const gfx::Rect& bounds)
@@ skipping 268 matching lines @@
 namespace test {
 
 // static
 void SetUsePopupAsRootWindowForTest(bool use) {
   use_popup_as_root_window_for_test = use;
 }
 
 }  // namespace test
 
 }  // namespace aura