Gesture Recognizer: Make short long press time configurable.

chrome/browser/ui/gesture_prefs_observer_factory_aura.cc

Index: chrome/browser/ui/gesture_prefs_observer_factory_aura.cc
diff --git a/chrome/browser/ui/gesture_prefs_observer_factory_aura.cc b/chrome/browser/ui/gesture_prefs_observer_factory_aura.cc
index 2550473da63b79060b484b03f0283c3a9be93179..922b59bf271f79ac574f03b95ed1f22d650d948d 100644
--- a/chrome/browser/ui/gesture_prefs_observer_factory_aura.cc
+++ b/chrome/browser/ui/gesture_prefs_observer_factory_aura.cc
@@ -47,6 +47,8 @@ class GesturePrefsObserver : public content::NotificationObserver,
 // in ui/base/gestures/gesture_configuration.h
 const char* kPrefsToObserve[] = {
   prefs::kLongPressTimeInSeconds,
+  prefs::kShortLongPressTimeInSeconds,
+  prefs::kMaxDistanceForTwoFingerTapInPixels,
   prefs::kMaxSecondsBetweenDoubleClick,
   prefs::kMaxSeparationForGestureTouchesInPixels,
   prefs::kMaxSwipeDeviationRatio,
@@ -89,6 +91,9 @@ void GesturePrefsObserver::Update() {
   GestureConfiguration::set_long_press_time_in_seconds(
       prefs_->GetDouble(
           prefs::kLongPressTimeInSeconds));
+  GestureConfiguration::set_short_long_press_time_in_seconds(
+      prefs_->GetDouble(
+          prefs::kShortLongPressTimeInSeconds));
   GestureConfiguration::set_max_distance_for_two_finger_tap_in_pixels(
       prefs_->GetDouble(
           prefs::kMaxDistanceForTwoFingerTapInPixels));
@@ -164,6 +169,10 @@ void GesturePrefsObserverFactoryAura::RegisterUserPrefs(PrefService* prefs) {
       GestureConfiguration::long_press_time_in_seconds(),
       PrefService::UNSYNCABLE_PREF);
   prefs->RegisterDoublePref(
+      prefs::kShortLongPressTimeInSeconds,
+      GestureConfiguration::short_long_press_time_in_seconds(),
+      PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterDoublePref(
       prefs::kMaxDistanceForTwoFingerTapInPixels,
       GestureConfiguration::max_distance_for_two_finger_tap_in_pixels(),
       PrefService::UNSYNCABLE_PREF);