Gesture Recognizer: Make short long press time configurable.

ui/base/gestures/gesture_configuration.h

Index: ui/base/gestures/gesture_configuration.h
diff --git a/ui/base/gestures/gesture_configuration.h b/ui/base/gestures/gesture_configuration.h
index 397dbc6c5c477eafb70282a58355a5d5b5f9521a..b439ef38fd7d92e23d9b87c974ea3457b5e3c3ed 100644
--- a/ui/base/gestures/gesture_configuration.h
+++ b/ui/base/gestures/gesture_configuration.h
@@ -25,6 +25,9 @@ class UI_EXPORT GestureConfiguration {
   static double long_press_time_in_seconds() {
     return long_press_time_in_seconds_;
   }
+  static double semi_long_press_time_in_seconds() {
+    return semi_long_press_time_in_seconds_;
+  }
   static double max_distance_for_two_finger_tap_in_pixels() {
     return max_distance_for_two_finger_tap_in_pixels_;
   }
@@ -37,6 +40,9 @@ class UI_EXPORT GestureConfiguration {
   static void set_long_press_time_in_seconds(double val) {
     long_press_time_in_seconds_ = val;
   }
+  static void set_semi_long_press_time_in_seconds(double val) {
+    semi_long_press_time_in_seconds_ = val;
+  }
   static double max_seconds_between_double_click() {
     return max_seconds_between_double_click_;
   }
@@ -147,6 +153,7 @@ class UI_EXPORT GestureConfiguration {
   static int max_radius_;
 
   static double long_press_time_in_seconds_;
+  static double semi_long_press_time_in_seconds_;
   static double max_seconds_between_double_click_;
   static double max_separation_for_gesture_touches_in_pixels_;
   static double max_swipe_deviation_ratio_;