Remove unnecessary |show_on_tap_for_empty_editable| flag

ui/touch_selection/touch_selection_controller.cc

 // Copyright 2014 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 "ui/touch_selection/touch_selection_controller.h"
 
 #include "base/auto_reset.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics.h"
@@ skipping 28 matching lines @@
   NOTREACHED() << "Invalid selection bound type: " << type;
   return TouchHandleOrientation::UNDEFINED;
 }
 
 }  // namespace
 
 TouchSelectionController::Config::Config()
     : max_tap_duration(base::TimeDelta::FromMilliseconds(300)),
       tap_slop(8),
       enable_adaptive_handle_orientation(false),
-      enable_longpress_drag_selection(false),
-      show_on_tap_for_empty_editable(false) {}
+      enable_longpress_drag_selection(false) {}
 
 TouchSelectionController::Config::~Config() {
 }
 
 TouchSelectionController::TouchSelectionController(
     TouchSelectionControllerClient* client,
     const Config& config)
     : client_(client),
       config_(config),
       force_next_update_(false),
@@ skipping 155 matching lines @@
 
   if (tap_count > 1) {
     response_pending_input_event_ = REPEATED_TAP;
     ShowSelectionHandlesAutomatically();
   } else {
     response_pending_input_event_ = TAP;
     if (active_status_ != SELECTION_ACTIVE)
       activate_selection_automatically_ = false;
   }
   ShowInsertionHandleAutomatically();
-  if (selection_empty_ && !config_.show_on_tap_for_empty_editable)
+  if (selection_empty_)
     DeactivateInsertion();
   ForceNextUpdateIfInactive();
   return false;
 }
 
 bool TouchSelectionController::WillHandleLongPressEvent(
     base::TimeTicks event_time,
     const gfx::PointF& location) {
   if (WillHandleTapOrLongPress(location))
     return true;
@@ skipping 253 matching lines @@
     return true;
   }
   return false;
 }
 
 void TouchSelectionController::OnInsertionChanged() {
   DeactivateSelection();
 
   if ((response_pending_input_event_ == TAP ||
        response_pending_input_event_ == REPEATED_TAP) &&
-      selection_empty_ && !config_.show_on_tap_for_empty_editable) {
+      selection_empty_) {
     HideAndDisallowShowingAutomatically();
     return;
   }
 
   if (!activate_insertion_automatically_)
     return;
 
   const bool activated = ActivateInsertionIfNecessary();
 
   const TouchHandle::AnimationStyle animation = GetAnimationStyle(!activated);
@@ skipping 184 matching lines @@
     base::TimeDelta duration = base::TimeTicks::Now() - selection_start_time_;
     UMA_HISTOGRAM_CUSTOM_TIMES("Event.TouchSelection.WasDraggedDuration",
                                duration,
                                base::TimeDelta::FromMilliseconds(500),
                                base::TimeDelta::FromSeconds(60),
                                60);
   }
 }
 
 }  // namespace ui