Add context to gfx::Screen calls in support of simultaneous desktop+ash

chrome/browser/ui/startup/startup_browser_creator_impl.cc

Index: chrome/browser/ui/startup/startup_browser_creator_impl.cc
diff --git a/chrome/browser/ui/startup/startup_browser_creator_impl.cc b/chrome/browser/ui/startup/startup_browser_creator_impl.cc
index 451b0e5c5b8b01fc7719ceb7a846a9a56cd9f499..e464d715acd88ce89fefcec0d5709f91a78424a3 100644
--- a/chrome/browser/ui/startup/startup_browser_creator_impl.cc
+++ b/chrome/browser/ui/startup/startup_browser_creator_impl.cc
@@ -441,7 +441,9 @@ void StartupBrowserCreatorImpl::ExtractOptionalAppWindowSize(
     std::string switch_value =
         command_line_.GetSwitchValueASCII(switches::kAppWindowSize);
     if (ParseCommaSeparatedIntegers(switch_value, &width, &height)) {
-      const gfx::Rect work_area = gfx::Screen::GetPrimaryDisplay().work_area();
+      // TODO(scottmg): NativeScreen might be wrong. http://crbug.com/133312
+      const gfx::Rect work_area =
+          gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area();
       width = std::min(width, work_area.width());
       height = std::min(height, work_area.height());
       bounds->set_size(gfx::Size(width, height));