aura: Allow creating content_shell without views.

content/shell/browser/shell.h

Index: content/shell/browser/shell.h
diff --git a/content/shell/browser/shell.h b/content/shell/browser/shell.h
index 370720261da8764c753ed2d517c467e4c2d92d16..ecbbdc9286d1845f77da7138aa0a99524893274b 100644
--- a/content/shell/browser/shell.h
+++ b/content/shell/browser/shell.h
@@ -25,6 +25,9 @@ typedef struct _GtkToolItem GtkToolItem;
 #elif defined(OS_ANDROID)
 #include "base/android/scoped_java_ref.h"
 #elif defined(USE_AURA)
+namespace aura {
+class RootWindow;
+}
 #if defined(OS_CHROMEOS)
 namespace shell {
 class MinimalShell;
@@ -259,9 +262,13 @@ class Shell : public WebContentsDelegate,
 #if defined(OS_CHROMEOS)
   static shell::MinimalShell* minimal_shell_;
 #endif
+#if defined(TOOLKIT_VIEWS)
   static views::ViewsDelegate* views_delegate_;
 
   views::Widget* window_widget_;
+#else // defined(TOOLKIT_VIEWS)
+  static scoped_ptr<aura::RootWindow> root_window_;

[Daniel Erat, 2013/10/17 14:41:19]

should this be a regular pointer instead?

+#endif // defined(TOOLKIT_VIEWS)
 #elif defined(OS_MACOSX)
   int content_width_;
   int content_height_;