Revert of services/ui: Revert CLs that broke Windows.

services/ui/gles2/command_buffer_driver_manager.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_GLES2_COMMAND_BUFFER_DRIVER_MANAGER_H_
-#define SERVICES_UI_GLES2_COMMAND_BUFFER_DRIVER_MANAGER_H_
-
-#include <stdint.h>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/threading/non_thread_safe.h"
-
-namespace ui {
-
-class CommandBufferDriver;
-
-// This class manages all initialized |CommandBufferDriver|s.
-class CommandBufferDriverManager : base::NonThreadSafe {
- public:
-  CommandBufferDriverManager();
-  ~CommandBufferDriverManager();
-
-  // Add a new initialized driver to the manager.
-  void AddDriver(CommandBufferDriver* driver);
-
-  // Remove a driver from the manager.
-  void RemoveDriver(CommandBufferDriver* driver);
-
-  // Return the global order number for the last unprocessed flush
-  // (|CommandBufferDriver::Flush|).
-  uint32_t GetUnprocessedOrderNum() const;
-
-  // Return the global order number for the last processed flush
-  // (|CommandBufferDriver::Flush|).
-  uint32_t GetProcessedOrderNum() const;
-
- private:
-  std::vector<CommandBufferDriver*> drivers_;
-
-  DISALLOW_COPY_AND_ASSIGN(CommandBufferDriverManager);
-};
-
-}  // namespace ui
-
-#endif  // COMPONENTS_GLES2_COMMAND_BUFFER_DRIVER_MANAGER_H_