Allow the editing session to update all command controllers from script; this is needed for MDI in Composer/Nvu and frameset editing.

b=231464, r/sr=dbaron

editor/composer/public/nsIEditingSession.idl

@@ -102,5 +102,8 @@ interface nsIEditingSession : nsISupports
    */
   void tearDownEditorOnWindow(in nsIDOMWindow window);
 
+  void setEditorOnControllers(in nsIDOMWindow aWindow,
+                              in nsIEditor aEditor);
+
 };
 

editor/composer/src/nsEditingSession.cpp

@@ -1240,7 +1240,7 @@ nsEditingSession::SetupEditorCommandController(
 
   Set the editor on the controller(s) for this window
 ----------------------------------------------------------------------------*/
-nsresult
+NS_IMETHODIMP
 nsEditingSession::SetEditorOnControllers(nsIDOMWindow *aWindow,
                                          nsIEditor* aEditor)
 {

editor/composer/src/nsEditingSession.h

@@ -107,8 +107,7 @@ protected:
                                                nsIDOMWindow *aWindow,
                                                nsISupports *aContext,
                                                PRUint32 *aControllerId);
-  nsresult        SetEditorOnControllers(nsIDOMWindow *aWindow, 
+
-                                         nsIEditor* aEditor);
   nsresult        SetContextOnControllerById(nsIControllers* aControllers, 
                                             nsISupports* aContext,
                                             PRUint32 aID);