Move view_manager service implementation to //services

mojo/services/view_manager/view_coordinate_conversions.h

-// 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.
-
-#ifndef MOJO_SERVICES_VIEW_MANAGER_VIEW_COORDINATE_CONVERSIONS_H_
-#define MOJO_SERVICES_VIEW_MANAGER_VIEW_COORDINATE_CONVERSIONS_H_
-
-namespace gfx {
-class Rect;
-}
-
-namespace mojo {
-namespace service {
-
-class ServerView;
-
-// Converts |rect| from the coordinates of |from| to the coordinates of |to|.
-// |from| and |to| must be an ancestors or descendants of each other.
-gfx::Rect ConvertRectBetweenViews(const ServerView* from,
-                                  const ServerView* to,
-                                  const gfx::Rect& rect);
-
-}  // namespace service
-}  // namespace mojo
-
-#endif  // MOJO_SERVICES_VIEW_MANAGER_VIEW_COORDINATE_CONVERSIONS_H_