From 09131e1a90dce120a7c47cf75ca8c23ef91edb06 Mon Sep 17 00:00:00 2001
From: "azakai@mozilla.com" <azakai@mozilla.com>
Date: Sun, 8 Aug 2010 14:28:02 +0300
Subject: [PATCH] Bug 584864 - MessageManager's LoadFrameScript runs in Chrome
 windows, r=smaug

---
 content/base/src/nsFrameLoader.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/content/base/src/nsFrameLoader.cpp b/content/base/src/nsFrameLoader.cpp
index cb476425012d..dd0f98ee50c9 100644
--- a/content/base/src/nsFrameLoader.cpp
+++ b/content/base/src/nsFrameLoader.cpp
@@ -1888,6 +1888,11 @@ nsFrameLoader::EnsureMessageManager()
   if (NS_FAILED(rv)) {
     return rv;
   }
+
+  if (!mIsTopLevelContent) {
+    return NS_OK;
+  }
+
   if (mMessageManager) {
 #ifdef MOZ_IPC
     if (ShouldUseRemoteProcess()) {