Touch event flag should control only DOM event firing.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 8a9cd158aae08062c29d92c346c56ea802ff378d..cf144a807d3c60a198191ab7ab2aa4a0d508ef04 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -135,13 +135,11 @@ const unsigned kOsAll = kOsMac | kOsWin | kOsLinux | kOsCrOS | kOsAndroid;
 const unsigned kOsDesktop = kOsMac | kOsWin | kOsLinux | kOsCrOS;
 
 const FeatureEntry::Choice kTouchEventsChoices[] = {
-  { IDS_GENERIC_EXPERIMENT_CHOICE_AUTOMATIC, "", "" },
-  { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
-    switches::kTouchEvents,
-    switches::kTouchEventsEnabled },
-  { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
-    switches::kTouchEvents,
-    switches::kTouchEventsDisabled }
+    { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, "", "" },
+    { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kTouchEvents,
+        switches::kTouchEventsDisabled },
+    { IDS_GENERIC_EXPERIMENT_CHOICE_AUTOMATIC, switches::kTouchEvents,
+        switches::kTouchEventsAuto }
 };
 
 #if defined(USE_AURA)