Fixing bug 189494. Making window.frames replaceable. r=fabian@guisset.org, sr=peterv@netscape.com, a=asa@mozilla.org

dom/public/idl/base/nsIDOMJSWindow.idl

@@ -88,8 +88,9 @@ interface nsIDOMJSWindow : nsISupports
    * window itself (i.e. window.frames === window), but this doesn't
    * make sense from a generic API point of view so that's why this is
    * JS specific.
+   *
+   * This property is "replaceable" in JavaScript.
    */
-
   readonly attribute nsIDOMWindow             frames;
 
   /* Scriptable version of find(). See nsIDOMWindowInternal for the

dom/src/base/nsDOMClassInfo.cpp

@@ -873,6 +873,7 @@ jsval nsDOMClassInfo::sEnumerate_id       = JSVAL_VOID;
 jsval nsDOMClassInfo::sNavigator_id       = JSVAL_VOID;
 jsval nsDOMClassInfo::sDocument_id        = JSVAL_VOID;
 jsval nsDOMClassInfo::sWindow_id          = JSVAL_VOID;
+jsval nsDOMClassInfo::sFrames_id          = JSVAL_VOID;
 
 const JSClass *nsDOMClassInfo::sObjectClass   = nsnull;
 
@@ -970,6 +971,7 @@ nsDOMClassInfo::DefineStaticJSVals(JSContext *cx)
   SET_JSVAL_TO_STRING(sNavigator_id,       cx, "navigator");
   SET_JSVAL_TO_STRING(sDocument_id,        cx, "document");
   SET_JSVAL_TO_STRING(sWindow_id,          cx, "window");
+  SET_JSVAL_TO_STRING(sFrames_id,          cx, "frames");
 
   return NS_OK;
 }
@@ -2794,6 +2796,7 @@ nsDOMClassInfo::ShutDown()
   sNavigator_id       = JSVAL_VOID;
   sDocument_id        = JSVAL_VOID;
   sWindow_id          = JSVAL_VOID;
+  sFrames_id          = JSVAL_VOID;
 
   NS_IF_RELEASE(sXPConnect);
   NS_IF_RELEASE(sSecMan);

dom/src/base/nsDOMClassInfo.h

@@ -162,7 +162,8 @@ protected:
             id == sControllers_id  ||
             id == sScrollX_id      ||
             id == sScrollY_id      ||
-            id == sLength_id);
+            id == sLength_id       ||
+            id == sFrames_id);
   }
 
   static inline PRBool IsWritableReplaceable(jsval id)
@@ -248,6 +249,7 @@ protected:
   static jsval sNavigator_id;
   static jsval sDocument_id;
   static jsval sWindow_id;
+  static jsval sFrames_id;
 
   static const JSClass *sObjectClass;