Try fixing bug 326497 again, this time allowing DOM constructors to be wrapped in cross-domain settings, since some of them can be used (e.g., Location). r+sr=jst for the DOM bits, r=brendan sr=shaver for the XPConnect bits.

dom/src/base/nsDOMClassInfo.cpp

@@ -3302,13 +3302,6 @@ nsDOMClassInfo::PostCreate(nsIXPConnectWrappedNative *wrapper,
   }
 #endif
 
-  JSObject *global = GetGlobalJSObject(cx, obj);
-
-  jsval val;
-  if (!::JS_GetProperty(cx, global, mData->mName, &val)) {
-    return NS_ERROR_UNEXPECTED;
-  }
-
   return NS_OK;
 }
 
@@ -4611,14 +4604,18 @@ public:
 
   nsresult Install(JSContext *cx, JSObject *target, jsval thisAsVal)
   {
-    if (!::JS_DefineUCProperty(cx, target,
-                               NS_REINTERPRET_CAST(const jschar *, mClassName),
-                               nsCRT::strlen(mClassName), thisAsVal, nsnull,
-                               nsnull, 0)) {
-      return NS_ERROR_UNEXPECTED;
-    }
-    
-    return NS_OK;
+    PRBool doSecurityCheckInAddProperty =
+      nsDOMClassInfo::sDoSecurityCheckInAddProperty;
+    nsDOMClassInfo::sDoSecurityCheckInAddProperty = PR_FALSE;
+
+    JSBool ok = ::JS_DefineUCProperty(cx, target,
+                                      NS_REINTERPRET_CAST(const jschar *, mClassName),
+                                      nsCRT::strlen(mClassName), thisAsVal, nsnull,
+                                      nsnull, 0);
+
+    nsDOMClassInfo::sDoSecurityCheckInAddProperty =
+      doSecurityCheckInAddProperty;
+    return ok ? NS_OK : NS_ERROR_UNEXPECTED;
   }
 
 private:
@@ -6424,7 +6421,7 @@ nsNodeSH::PreCreate(nsISupports *nativeObj, JSContext *cx, JSObject *globalObj,
 
     // Get the script global object from the document.
 
-    native_parent = doc->GetScriptGlobalObject();
+    native_parent = doc->GetScopeObject();
 
     if (!native_parent) {
       // No global object reachable from this document, use the

dom/src/base/nsDOMClassInfo.h

@@ -365,6 +365,7 @@ protected:
   static const JSClass *sObjectClass;
   static const JSClass *sXPCNativeWrapperClass;
 
+public:
   static PRBool sDoSecurityCheckInAddProperty;
 };
 

js/src/xpconnect/src/xpcprivate.h

@@ -2515,6 +2515,7 @@ private:
 
     static void BuildAndThrowException(JSContext* cx, nsresult rv, const char* sz);
     static JSBool ThrowExceptionObject(JSContext* cx, nsIException* e);
+    static JSBool CheckForPendingException(nsresult result, XPCCallContext &ccx);
 
 private:
     static JSBool sVerbose;

js/src/xpconnect/src/xpcwrappednative.cpp

@@ -461,8 +461,10 @@ XPCWrappedNative::GetNewOrUsed(XPCCallContext& ccx,
         XPCNativeScriptableInfo* si = wrapper->GetScriptableInfo();
         if(si && si->GetFlags().WantPostCreate())
         {
-            si->GetCallback()->
-                PostCreate(wrapper, ccx, wrapper->GetFlatJSObject());
+            rv = si->GetCallback()->
+                     PostCreate(wrapper, ccx, wrapper->GetFlatJSObject());
+            if(NS_FAILED(rv))
+                return rv;
         }
     }