Call ShowRootWindow on NativeWindow's RootWindow to display the window.

content/shell/shell.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 "content/shell/shell.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
@@ skipping 12 matching lines @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/shell/shell_browser_main_parts.h"
 #include "content/shell/shell_content_browser_client.h"
 #include "content/shell/shell_devtools_delegate.h"
 #include "content/shell/shell_javascript_dialog_creator.h"
 #include "content/shell/shell_messages.h"
 #include "content/shell/shell_switches.h"
 #include "content/shell/webkit_test_controller.h"
 
-// Content area size for newly created windows.
-static const int kTestWindowWidth = 800;
-static const int kTestWindowHeight = 600;
+#if defined(USE_AURA)
+#include "content/shell/shell_stacking_client_ash.h"
+#endif
 
 namespace content {
 
 std::vector<Shell*> Shell::windows_;
 base::Callback<void(Shell*)> Shell::shell_created_callback_;
 
 bool Shell::quit_message_loop_ = true;
 
 Shell::Shell(WebContents* web_contents)
     : dev_tools_(NULL),
@@ skipping 74 matching lines @@
                               const GURL& url,
                               SiteInstance* site_instance,
                               int routing_id,
                               const gfx::Size& initial_size) {
   WebContents::CreateParams create_params(browser_context, site_instance);
   create_params.routing_id = routing_id;
   if (!initial_size.IsEmpty())
     create_params.initial_size = initial_size;
   else
     create_params.initial_size = gfx::Size(kTestWindowWidth, kTestWindowHeight);
+  create_params.context = Shell::stacking_client_->GetDefaultParent(NULL, NULL, gfx::Rect());

[Nayan, 2013/01/15 23:39:03]

Done.

   WebContents* web_contents = WebContents::Create(create_params);
   Shell* shell = CreateShell(web_contents);
   if (!url.is_empty())
     shell->LoadURL(url);
   return shell;
 }
 
 void Shell::LoadURL(const GURL& url) {
   web_contents_->GetController().LoadURL(
       url,
@@ skipping 158 matching lines @@
         Details<std::pair<NavigationEntry*, bool> >(details).ptr();
 
     if (title->first) {
       string16 text = title->first->GetTitle();
       PlatformSetTitle(text);
     }
   }
 }
 
 }  // namespace content