Move //mojo/services/X/public/... to //mojo/services/X/... (part 2).

mojo/services/native_viewport/public/interfaces/native_viewport.mojom

-// 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.
-
-[DartPackage="mojo_services"]
-module mojo;
-
-import "geometry/public/interfaces/geometry.mojom";
-import "gpu/public/interfaces/context_provider.mojom";
-import "input_events/public/interfaces/input_events.mojom";
-
-struct ViewportMetrics {
-  Size size;
-  float device_pixel_ratio = 1.0;
-};
-
-struct SurfaceConfiguration {
-  uint8 red_bits = 8;
-  uint8 green_bits = 8;
-  uint8 blue_bits = 8;
-  uint8 alpha_bits = 8;
-  uint8 depth_bits;
-  uint8 stencil_bits;
-};
-
-interface NativeViewport {
-  // TODO(sky): having a create function is awkward. Should there be a factory
-  // to create the NativeViewport that takes the size?
-  // When the viewport is created it is initially shown.
-  Create(Size size, SurfaceConfiguration? requested_configuration) => (ViewportMetrics metrics);
-
-  Show();
-  Hide();
-  Close();
-  SetSize(Size size);
-  SetEventDispatcher(NativeViewportEventDispatcher dispatcher);
-
-  // Requests a ContextProvider capable of producing contexts that draw to
-  // this native viewport.
-  GetContextProvider(ContextProvider& provider);
-
-  // The initial viewport metrics will be sent in the reply to the Create
-  // method. Call RequestMetrics() to receive updates when the viewport metrics
-  // change. The reply will be sent when the viewport metrics are different from
-  // the values last sent, so to receive continuous updates call this method
-  // again after receiving the callback.
-  RequestMetrics() => (ViewportMetrics metrics);
-};
-
-interface NativeViewportEventDispatcher {
-  OnEvent(Event event) => ();
-};