Turn on touch drag and drop and touch editing by default on chromeos.

ui/base/ui_base_switches_util.cc

Index: ui/base/ui_base_switches_util.cc
diff --git a/ui/base/ui_base_switches_util.cc b/ui/base/ui_base_switches_util.cc
index c541a9b1b26414d25ad7aee0ff41f98a645f049d..32034218dd5e31ff5ff82e3153fd482859ec0f78 100644
--- a/ui/base/ui_base_switches_util.cc
+++ b/ui/base/ui_base_switches_util.cc
@@ -10,13 +10,23 @@
 namespace switches {
 
 bool IsTouchDragDropEnabled() {
+#if defined(OS_CHROMEOS)
+  return !CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kDisableTouchDragDrop);
+#else
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableTouchDragDrop);
+#endif
 }
 
 bool IsTouchEditingEnabled() {
+#if defined(OS_CHROMEOS)
+  return !CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kDisableTouchEditing);
+#else
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableTouchEditing);
+#endif
 }
 
 bool IsNewDialogStyleEnabled() {