Add Get/SetDisplayLayout to chrome.system.display extension API

chrome/browser/extensions/display_info_provider_win.cc

 // 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.
 
 #include "chrome/browser/extensions/display_info_provider_win.h"
 
 #include <windows.h>
 #include <stddef.h>
 
 #include "base/hash.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/win_util.h"
 #include "extensions/common/api/system_display.h"
 #include "ui/display/display.h"
 #include "ui/display/win/dpi.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace extensions {
 
 using api::system_display::DisplayUnitInfo;
 
 namespace {
 
 BOOL CALLBACK
 EnumMonitorCallback(HMONITOR monitor, HDC hdc, LPRECT rect, LPARAM data) {
-  DisplayUnitInfoList* all_displays =
-      reinterpret_cast<DisplayUnitInfoList*>(data);
+  DisplayInfoProvider::DisplayUnitInfoList* all_displays =
+      reinterpret_cast<DisplayInfoProvider::DisplayUnitInfoList*>(data);
   DCHECK(all_displays);
 
   DisplayUnitInfo unit;
 
   MONITORINFOEX monitor_info;
   ZeroMemory(&monitor_info, sizeof(MONITORINFOEX));
   monitor_info.cbSize = sizeof(monitor_info);
   GetMonitorInfo(monitor, &monitor_info);
 
   DISPLAY_DEVICE device;
@@ skipping 42 matching lines @@
     }
   }
 }
 
 // static
 DisplayInfoProvider* DisplayInfoProvider::Create() {
   return new DisplayInfoProviderWin();
 }
 
 }  // namespace extensions