Move kInvalidDisplayID to display_constants.h.

ui/display/fake_display_snapshot.h

 // Copyright 2016 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.
 
 #ifndef UI_DISPLAY_FAKE_DISPLAY_SNAPSHOT_H_
 #define UI_DISPLAY_FAKE_DISPLAY_SNAPSHOT_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "ui/display/display.h"
 #include "ui/display/display_export.h"
+#include "ui/display/types/display_constants.h"
 #include "ui/display/types/display_mode.h"
 #include "ui/display/types/display_snapshot.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace display {
 
 // A display snapshot that doesn't correspond to a physical display, used when
 // running off device.
 class DISPLAY_EXPORT FakeDisplaySnapshot : public ui::DisplaySnapshot {
@@ skipping 43 matching lines @@
 
    private:
     // Returns a display mode with |size|. If there is no existing mode, insert
     // a display mode with |size| first.
     const ui::DisplayMode* AddOrFindDisplayMode(const gfx::Size& size);
     // Returns a display mode equivalent to |mode|. If there is no equivalent
     // display mode, insert |mode| first.
     const ui::DisplayMode* AddOrFindDisplayMode(
         std::unique_ptr<ui::DisplayMode> mode);
 
-    int64_t id_ = Display::kInvalidDisplayID;
+    int64_t id_ = kInvalidDisplayId;
     gfx::Point origin_;
     float dpi_ = 96.0;
     ui::DisplayConnectionType type_ = ui::DISPLAY_CONNECTION_TYPE_UNKNOWN;
     bool is_aspect_preserving_scaling_ = false;
     bool has_overscan_ = false;
     bool has_color_correction_matrix_ = false;
     std::string name_ = "Fake Display";
     int64_t product_id_ = DisplaySnapshot::kInvalidProductID;
     DisplayModeList modes_;
     const ui::DisplayMode* current_mode_ = nullptr;
@@ skipping 26 matching lines @@
   // DisplaySnapshot:
   std::string ToString() const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeDisplaySnapshot);
 };
 
 }  // namespace display
 
 #endif  // UI_DISPLAY_FAKE_DISPLAY_SNAPSHOT_H_