ash: fix regression where ctrl+n put new window on wrong desktop

chrome/browser/download/download_crx_util.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.
 //
 // Download code which handles CRX files (extensions, themes, apps, ...).
 
 #include "chrome/browser/download/download_crx_util.h"
 
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/crx_installer.h"
@@ skipping 31 matching lines @@
   // Use a mock if one is present.  Otherwise, create a real extensions
   // install UI.
   if (mock_install_prompt_for_testing) {
     ExtensionInstallPrompt* result = mock_install_prompt_for_testing;
     mock_install_prompt_for_testing = NULL;
     return std::unique_ptr<ExtensionInstallPrompt>(result);
   } else {
     content::WebContents* web_contents = download_item.GetWebContents();
     if (!web_contents) {
       Browser* browser = chrome::FindLastActiveWithProfile(profile);
-      if (!browser)
-        browser =
-            new Browser(Browser::CreateParams(Browser::TYPE_TABBED, profile));
+      if (!browser) {
+        browser = new Browser(
+            Browser::CreateParams(Browser::TYPE_TABBED, profile, true));
+      }
       web_contents = browser->tab_strip_model()->GetActiveWebContents();
     }
     return std::unique_ptr<ExtensionInstallPrompt>(
         new ExtensionInstallPrompt(web_contents));
   }
 }
 
 }  // namespace
 
 // Tests can call this method to inject a mock ExtensionInstallPrompt
@@ skipping 73 matching lines @@
              ->IsOffstoreInstallAllowed(item.GetURL(), item.GetReferrerUrl());
 }
 
 std::unique_ptr<base::AutoReset<bool>> OverrideOffstoreInstallAllowedForTesting(
     bool allowed) {
   return base::MakeUnique<base::AutoReset<bool>>(
       &g_allow_offstore_install_for_testing, allowed);
 }
 
 }  // namespace download_crx_util