Add mojom::DisplayController.

services/ui/display/platform_screen_ozone.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 SERVICES_UI_DISPLAY_PLATFORM_SCREEN_OZONE_H_
 #define SERVICES_UI_DISPLAY_PLATFORM_SCREEN_OZONE_H_
 
 #include <stdint.h>
 
 #include <set>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "services/ui/display/platform_screen.h"
+#include "services/ui/public/interfaces/display/display_controller.mojom.h"
 #include "ui/display/chromeos/display_configurator.h"
 #include "ui/display/display.h"
 
 namespace display {
 
 // PlatformScreenOzone provides the necessary functionality to configure all
 // attached physical displays on the ozone platform.
 class PlatformScreenOzone : public PlatformScreen,
-                            public ui::DisplayConfigurator::Observer {
+                            public ui::DisplayConfigurator::Observer,
+                            public mojom::DisplayController {
  public:
   PlatformScreenOzone();
   ~PlatformScreenOzone() override;
 
   // PlatformScreen:
   void Init(PlatformScreenDelegate* delegate) override;
   int64_t GetPrimaryDisplayId() const override;
 
+  // mojom::DisplayController:
+  void ToggleVirtualDisplay(
+      const ToggleVirtualDisplayCallback& callback) override;
+  void IncreaseResolution(int64_t display_id) override;
+  void DecreaseResolution(int64_t display_id) override;
+  void UseDefaultResolution(int64_t display_id) override;
+
  private:
   // TODO(kylechar): This struct is just temporary until we migrate
   // DisplayManager code out of ash so it can be used here.
   struct DisplayInfo {
     DisplayInfo(int64_t new_id, const gfx::Rect& new_bounds)
         : id(new_id), bounds(new_bounds) {}
 
     int64_t id;
     // The display bounds.
     gfx::Rect bounds;
@@ skipping 48 matching lines @@
   int64_t primary_display_id_ = display::Display::kInvalidDisplayID;
   std::vector<DisplayInfo> cached_displays_;
   gfx::Point next_display_origin_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformScreenOzone);
 };
 
 }  // namespace display
 
 #endif  // SERVICES_UI_DISPLAY_PLATFORM_SCREEN_OZONE_H_