Move kInvalidDisplayID to display_constants.h.

ui/events/gesture_detection/gesture_provider.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/events/gesture_detection/gesture_provider.h"
 
 #include <stddef.h>
 
 #include <cmath>
 
@@ skipping 61 matching lines @@
   const gfx::PointF center = bounds.CenterPoint();
   return gfx::RectF(
       center.x() - width / 2.f, center.y() - height / 2.f, width, height);
 }
 
 }  // namespace
 
 // GestureProvider:::Config
 
 GestureProvider::Config::Config()
-    : display(display::Display::kInvalidDisplayID, gfx::Rect(1, 1)),
+    : display(display::kInvalidDisplayId, gfx::Rect(1, 1)),
       double_tap_support_for_platform_enabled(true),
       gesture_begin_end_types_enabled(false),
       min_gesture_bounds_length(0),
       max_gesture_bounds_length(0) {}
 
 GestureProvider::Config::Config(const Config& other) = default;
 
 GestureProvider::Config::~Config() {
 }
 
@@ skipping 819 matching lines @@
   // null'ing of the listener until the sequence has ended.
   if (current_down_event_)
     return;
 
   const bool double_tap_enabled =
       double_tap_support_for_page_ && double_tap_support_for_platform_;
   gesture_listener_->SetDoubleTapEnabled(double_tap_enabled);
 }
 
 }  //  namespace ui