Move system.* family of APIs to extensions/

chrome/browser/extensions/api/system_display/display_info_provider.h

-// Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_API_SYSTEM_DISPLAY_DISPLAY_INFO_PROVIDER_H_
-#define CHROME_BROWSER_EXTENSIONS_API_SYSTEM_DISPLAY_DISPLAY_INFO_PROVIDER_H_
-
-#include <string>
-#include <vector>
-
-#include "chrome/common/extensions/api/system_display.h"
-
-namespace gfx {
-class Display;
-}
-
-namespace extensions {
-
-typedef std::vector<linked_ptr<
-    api::system_display::DisplayUnitInfo> > DisplayInfo;
-
-class DisplayInfoProvider {
- public :
-  static DisplayInfoProvider* Get();
-
-  DisplayInfoProvider();
-  virtual ~DisplayInfoProvider();
-
-  // This is for tests that run in its own process (e.g. browser_tests).
-  // Using this in other tests (e.g. unit_tests) will result in DCHECK failure.
-  static void InitializeForTesting(DisplayInfoProvider* display_info_provider);
-
-  DisplayInfo GetAllDisplaysInfo();
-
-  virtual bool SetInfo(const std::string& display_id,
-                       const api::system_display::DisplayProperties& info,
-                       std::string* error);
-
- private:
-  // Update the content of the |unit| obtained for |display| using
-  // platform specific method.
-  virtual void UpdateDisplayUnitInfoForPlatform(
-      const gfx::Display& display,
-      extensions::api::system_display::DisplayUnitInfo* unit);
-
-  DISALLOW_COPY_AND_ASSIGN(DisplayInfoProvider);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_SYSTEM_DISPLAY_DISPLAY_INFO_PROVIDER_H_