Removes code using mus client lib

ui/views/mus/window_manager_connection.h

Index: ui/views/mus/window_manager_connection.h
diff --git a/ui/views/mus/window_manager_connection.h b/ui/views/mus/window_manager_connection.h
deleted file mode 100644
index eaea7700f57455c1e776ac41fb1f22f1d9475d00..0000000000000000000000000000000000000000
--- a/ui/views/mus/window_manager_connection.h
+++ /dev/null
@@ -1,126 +0,0 @@
-// Copyright 2015 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_VIEWS_MUS_WINDOW_MANAGER_CONNECTION_H_
-#define UI_VIEWS_MUS_WINDOW_MANAGER_CONNECTION_H_
-
-#include <stdint.h>
-
-#include <map>
-#include <memory>
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-#include "services/service_manager/public/cpp/identity.h"
-#include "services/ui/public/cpp/window_tree_client_delegate.h"
-#include "ui/base/dragdrop/os_exchange_data_provider_factory.h"
-#include "ui/views/mus/mus_export.h"
-#include "ui/views/mus/screen_mus_delegate.h"
-#include "ui/views/widget/widget.h"
-
-namespace service_manager {
-class Connector;
-}
-
-namespace ui {
-class Gpu;
-}
-
-namespace views {
-class NativeWidget;
-class PointerWatcherEventRouter;
-class ScreenMus;
-class SurfaceContextFactory;
-namespace internal {
-class NativeWidgetDelegate;
-}
-
-namespace test {
-class WindowManagerConnectionTestApi;
-}
-
-// Provides configuration to mus in views. This consists of the following:
-// . Provides a Screen implementation backed by mus.
-// . Provides a Clipboard implementation backed by mus.
-// . Creates and owns a WindowTreeClient.
-// . Registers itself as the factory for creating NativeWidgets so that a
-//   NativeWidgetMus is created.
-// WindowManagerConnection is a singleton and should be created early on.
-//
-// TODO(sky): this name is now totally confusing. Come up with a better one.
-class VIEWS_MUS_EXPORT WindowManagerConnection
-    : public NON_EXPORTED_BASE(ui::WindowTreeClientDelegate),
-      public ScreenMusDelegate,
-      public ui::OSExchangeDataProviderFactory::Factory {
- public:
-  ~WindowManagerConnection() override;
-
-  // |io_task_runner| is used by the gpu service. If no task runner is provided,
-  // then a new thread is created and used by ui::Gpu.
-  static std::unique_ptr<WindowManagerConnection> Create(
-      service_manager::Connector* connector,
-      const service_manager::Identity& identity,
-      scoped_refptr<base::SingleThreadTaskRunner> io_task_runner = nullptr);
-  static WindowManagerConnection* Get();
-  static bool Exists();
-
-  PointerWatcherEventRouter* pointer_watcher_event_router() {
-    return pointer_watcher_event_router_.get();
-  }
-  service_manager::Connector* connector() { return connector_; }
-  ui::Gpu* gpu() { return gpu_.get(); }
-  ui::WindowTreeClient* client() { return client_.get(); }
-
-  ui::Window* NewTopLevelWindow(
-      const std::map<std::string, std::vector<uint8_t>>& properties);
-
-  NativeWidget* CreateNativeWidgetMus(
-      const std::map<std::string, std::vector<uint8_t>>& properties,
-      const Widget::InitParams& init_params,
-      internal::NativeWidgetDelegate* delegate);
-
-  const std::set<ui::Window*>& GetRoots() const;
-
- private:
-  friend class test::WindowManagerConnectionTestApi;
-
-  WindowManagerConnection(
-      service_manager::Connector* connector,
-      const service_manager::Identity& identity,
-      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
-
-  // Exposed for tests.
-  ui::Window* GetUiWindowAtScreenPoint(const gfx::Point& point);
-
-  // ui::WindowTreeClientDelegate:
-  void OnEmbed(ui::Window* root) override;
-  void OnLostConnection(ui::WindowTreeClient* client) override;
-  void OnEmbedRootDestroyed(ui::Window* root) override;
-  void OnPointerEventObserved(const ui::PointerEvent& event,
-                              ui::Window* target) override;
-
-  // ScreenMusDelegate:
-  void OnWindowManagerFrameValuesChanged() override;
-  gfx::Point GetCursorScreenPoint() override;
-  aura::Window* GetWindowAtScreenPoint(const gfx::Point& point) override;
-
-  // ui:OSExchangeDataProviderFactory::Factory:
-  std::unique_ptr<OSExchangeData::Provider> BuildProvider() override;
-
-  service_manager::Connector* connector_;
-  service_manager::Identity identity_;
-  std::unique_ptr<ScreenMus> screen_;
-  std::unique_ptr<ui::WindowTreeClient> client_;
-  std::unique_ptr<ui::Gpu> gpu_;
-  std::unique_ptr<PointerWatcherEventRouter> pointer_watcher_event_router_;
-  std::unique_ptr<SurfaceContextFactory> compositor_context_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(WindowManagerConnection);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_MUS_WINDOW_MANAGER_CONNECTION_H_