views: don't try to SetProperty on NSWindows

chrome/browser/ui/views/frame/browser_window_factory.cc

Index: chrome/browser/ui/views/frame/browser_window_factory.cc
diff --git a/chrome/browser/ui/views/frame/browser_window_factory.cc b/chrome/browser/ui/views/frame/browser_window_factory.cc
index f8b524f088e5977a47f7ed84a39a9a552fed907f..9243848e92b5a77522e546e2fecd42667f159d8a 100644
--- a/chrome/browser/ui/views/frame/browser_window_factory.cc
+++ b/chrome/browser/ui/views/frame/browser_window_factory.cc
@@ -6,8 +6,10 @@
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/frame/native_browser_frame_factory.h"
 #include "chrome/grit/chromium_strings.h"
+#if defined(USE_AURA)
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
+#endif
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/widget/widget.h"
 
@@ -21,8 +23,12 @@ BrowserWindow* BrowserWindow::CreateBrowserWindow(Browser* browser,
   (new BrowserFrame(view))->InitBrowserFrame();
   view->GetWidget()->non_client_view()->SetAccessibleName(
       l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
-  // For now, all browser windows are true.
+
+#if defined(USE_AURA)
+  // For now, all browser windows are true. This only works when USE_AURA
+  // because it requires gfx::NativeWindow to be an aura::Window*.
   view->GetWidget()->GetNativeWindow()->SetProperty(
       aura::client::kCreatedByUserGesture, user_gesture);
+#endif
   return view;
 }