Remove touch optimized layout on ChromeOS

chrome/browser/about_flags.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/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 677 matching lines @@
     IDS_FLAGS_DISABLE_ASYNCHRONOUS_SPELLCHECKING,
     IDS_FLAGS_DISABLE_ASYNCHRONOUS_SPELLCHECKING_DESCRIPTION,
     kOsWin | kOsLinux | kOsCrOS,
     SINGLE_VALUE_TYPE(switches::kDisableAsynchronousSpellChecking)
   },
 #endif
   {
     "touch-optimized-ui",
     IDS_FLAGS_TOUCH_OPTIMIZED_UI_NAME,
     IDS_FLAGS_TOUCH_OPTIMIZED_UI_DESCRIPTION,
-    kOsWin | kOsCrOS,
+    kOsWin,
     MULTI_VALUE_TYPE(kTouchOptimizedUIChoices)
   },
   {
     "enable-touch-events",
     IDS_ENABLE_TOUCH_EVENTS_NAME,
     IDS_ENABLE_TOUCH_EVENTS_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableTouchEvents)
   },
 #if defined(OS_CHROMEOS)
@@ skipping 625 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags