Add additional properties to display system info on ChromeOS

chrome/browser/extensions/api/system_info_display/display_info_provider_win.cc

 // Copyright (c) 2012 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/api/system_info_display/display_info_provider.h"
 
 #include <windows.h>
 
 #include "base/utf_string_conversions.h"
 #include "ui/base/win/dpi.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/size.h"
 
 namespace extensions {
 
 using api::system_info_display::Bounds;
 using api::system_info_display::DisplayUnitInfo;
 
 namespace {
 
+void DisplayInfoProvider::RequestInfo(const RequestInfoCallback& callback) {
+  // Redirect the request to a worker pool thread.
+  StartQueryInfo(callback);
+}
+
 BOOL CALLBACK EnumMonitorCallback(HMONITOR monitor,
                                   HDC hdc,
                                   LPRECT rect,
                                   LPARAM data) {
   DisplayInfo* display_info =
       reinterpret_cast<DisplayInfo*>(data);
   DCHECK(display_info);
 
   linked_ptr<DisplayUnitInfo> unit(new DisplayUnitInfo);
 
@@ skipping 40 matching lines @@
   DCHECK(info);
   info->clear();
 
   if (EnumDisplayMonitors(NULL, NULL, EnumMonitorCallback,
         reinterpret_cast<LPARAM>(info)))
     return true;
   return false;
 }
 
 }  // namespace extensions