Revert "Revert "Allow DOMUI pages to call window.open(), giving DOMUI privileges to the new""

chrome/browser/tab_contents/tab_contents.h

Index: chrome/browser/tab_contents/tab_contents.h
diff --git a/chrome/browser/tab_contents/tab_contents.h b/chrome/browser/tab_contents/tab_contents.h
index 29352736fbfb1b94f5f395f2bf54bf957b3608ca..51b8954bf081f9ccfd8ba31a0ea229ce7db6bdbf 100644
--- a/chrome/browser/tab_contents/tab_contents.h
+++ b/chrome/browser/tab_contents/tab_contents.h
@@ -18,6 +18,7 @@
 #include "base/scoped_ptr.h"
 #include "chrome/browser/autocomplete/autocomplete_edit.h"
 #include "chrome/browser/cancelable_request.h"
+#include "chrome/browser/dom_ui/dom_ui_factory.h"
 #include "chrome/browser/download/save_package.h"
 #include "chrome/browser/fav_icon_helper.h"
 #include "chrome/browser/find_notification_details.h"
@@ -590,6 +591,10 @@ class TabContents : public PageNavigator,
     return &renderer_preferences_;
   }
 
+  void set_opener_dom_ui_type(DOMUITypeID opener_dom_ui_type) {
+    opener_dom_ui_type_ = opener_dom_ui_type;
+  }
+
  private:
   friend class NavigationController;
   // Used to access the child_windows_ (ConstrainedWindowList) for testing
@@ -1112,6 +1117,10 @@ class TabContents : public PageNavigator,
   // Settings that get passed to the renderer process.
   RendererPreferences renderer_preferences_;
 
+  // If this tab was created from a renderer using window.open, this will be
+  // non-NULL and represent the DOMUI of the opening renderer.
+  DOMUITypeID opener_dom_ui_type_;
+
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);