Adding --enable-touch-events to the browser command line for Windows 8 and up. This will

chrome/browser/chrome_browser_main_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 "chrome/browser/chrome_browser_main_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 
 #include <algorithm>
@@ skipping 144 matching lines @@
     }
   }
   return result;
 }
 
 // ChromeBrowserMainPartsWin ---------------------------------------------------
 
 ChromeBrowserMainPartsWin::ChromeBrowserMainPartsWin(
     const content::MainFunctionParams& parameters)
     : ChromeBrowserMainParts(parameters) {
+  if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
+    CommandLine::ForCurrentProcess()->AppendSwitch(
+        switches::kEnableTouchEvents);
+  }
 }
 
 ChromeBrowserMainPartsWin::~ChromeBrowserMainPartsWin() {
 }
 
 void ChromeBrowserMainPartsWin::ToolkitInitialized() {
   ChromeBrowserMainParts::ToolkitInitialized();
   gfx::PlatformFontWin::adjust_font_callback = &AdjustUIFont;
   gfx::PlatformFontWin::get_minimum_font_size_callback = &GetMinimumFontSize;
 }
@@ skipping 163 matching lines @@
   if (resource_id)
     return l10n_util::GetStringUTF16(resource_id);
   return string16();
 }
 
 // static
 void ChromeBrowserMainPartsWin::SetupInstallerUtilStrings() {
   CR_DEFINE_STATIC_LOCAL(TranslationDelegate, delegate, ());
   installer::SetTranslationDelegate(&delegate);
 }