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

content/shell/shell.h

 // 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.
 
 #ifndef CONTENT_SHELL_SHELL_H_
 #define CONTENT_SHELL_SHELL_H_
 
 
 #include <vector>
 
@@ skipping 14 matching lines @@
 
 typedef struct _GtkToolItem GtkToolItem;
 #elif defined(OS_ANDROID)
 #include "base/android/scoped_java_ref.h"
 #elif defined(USE_AURA)
 namespace views {
 class Widget;
 class ViewsDelegate;
 }
 namespace aura {
+class RootWindow;
 namespace client {
 class StackingClient;
 }
 }
 #endif
 
 class GURL;
 namespace content {
 
+// Content area size for newly created windows.
+static const int kTestWindowWidth = 800;
+static const int kTestWindowHeight = 600;

[oshima, 2013/01/17 08:57:56]

no static in header. just const int is enough.

[jochen (gone - plz use gerrit), 2013/01/17 20:02:09]

Can you instead add a gfx::Size default_window_size parameter to platform
initialize and pass the size down there?

[Nayan, 2013/01/18 18:59:56]

Done.

+
 class BrowserContext;
 class ShellJavaScriptDialogCreator;
 class SiteInstance;
 class WebContents;
 
 // This represents one window of the Content Shell, i.e. all the UI including
 // buttons and url bar, as well as the web content area.
 class Shell : public WebContentsDelegate,
               public NotificationObserver {
  public:
@@ skipping 142 matching lines @@
   CHROMEGTK_CALLBACK_0(Shell, void, OnURLEntryActivate);
   CHROMEGTK_CALLBACK_0(Shell, gboolean, OnWindowDestroyed);
 
   CHROMEG_CALLBACK_3(Shell, gboolean, OnCloseWindowKeyPressed, GtkAccelGroup*,
                      GObject*, guint, GdkModifierType);
   CHROMEG_CALLBACK_3(Shell, gboolean, OnNewWindowKeyPressed, GtkAccelGroup*,
                      GObject*, guint, GdkModifierType);
   CHROMEG_CALLBACK_3(Shell, gboolean, OnHighlightURLView, GtkAccelGroup*,
                      GObject*, guint, GdkModifierType);
 #endif
+#if defined(USE_AURA)
+  static scoped_ptr<aura::RootWindow> CreateRootWindow(int width,
+                                                       int height);
+#endif
 
   scoped_ptr<ShellJavaScriptDialogCreator> dialog_creator_;
 
   scoped_ptr<WebContents> web_contents_;
 
   Shell* dev_tools_;
 
   bool is_fullscreen_;
 
   gfx::NativeWindow window_;
@@ skipping 36 matching lines @@
   static base::Callback<void(Shell*)> shell_created_callback_;
 
   // True if the destructur of Shell should post a quit closure on the current
   // message loop if the destructed Shell object was the last one.
   static bool quit_message_loop_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_H_