Make all tests use GetActiveDesktop() instead of hardcoding HOST_DESKTOP_TYPE_NATIVE.

chrome/browser/printing/print_preview_dialog_controller.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/printing/print_preview_dialog_controller.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 384 matching lines @@
 WebContents* PrintPreviewDialogController::CreatePrintPreviewDialog(
     WebContents* initiator_tab) {
   base::AutoReset<bool> auto_reset(&is_creating_print_preview_dialog_, true);
   Profile* profile =
       Profile::FromBrowserContext(initiator_tab->GetBrowserContext());
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kChromeFrame)) {
     // Chrome Frame only ever runs on the native desktop, so it is safe to
     // create the popup on the native desktop.
     Browser* current_browser = new Browser(
         Browser::CreateParams(Browser::TYPE_POPUP, profile,
-                              chrome::HOST_DESKTOP_TYPE_NATIVE));
+                              chrome::GetActiveDesktop()));
     if (!current_browser) {
       NOTREACHED() << "Failed to create popup browser window";
       return NULL;
     }
   }
 
   // |web_dialog_ui_delegate| deletes itself in
   // PrintPreviewDialogDelegate::OnDialogClosed().
   WebDialogDelegate* web_dialog_delegate =
       new PrintPreviewDialogDelegate(initiator_tab);
@@ skipping 97 matching lines @@
   PrintPreviewUI* print_preview_ui =
       static_cast<PrintPreviewUI*>(preview_dialog->GetWebUI()->GetController());
   if (print_preview_ui)
     print_preview_ui->OnPrintPreviewDialogDestroyed();
 
   preview_dialog_map_.erase(preview_dialog);
   RemoveObservers(preview_dialog);
 }
 
 }  // namespace printing