From be8b706b89c3287c26151d61a5e3bc407c9b04ac Mon Sep 17 00:00:00 2001
From: Boris Zbarsky <bzbarsky@mit.edu>
Date: Thu, 5 Aug 2010 14:39:39 -0400
Subject: [PATCH] Bug 575336 part 3.  Change the reftest harness to do its
 initial flush on all subframes, not just the root one.  r=roc

---
 layout/tools/reftest/reftest.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/layout/tools/reftest/reftest.js b/layout/tools/reftest/reftest.js
index 1cbb46dd2c07..eca75f481b14 100644
--- a/layout/tools/reftest/reftest.js
+++ b/layout/tools/reftest/reftest.js
@@ -851,8 +851,17 @@ function OnDocumentLoad(event)
             .getInterface(CI.nsIDOMWindowUtils);
 
         function FlushRendering() {
+            function flushWindow(win) {
+                try {
+                    win.document.documentElement.getBoundingClientRect();
+                } catch (e) {}
+                for (var i = 0; i < win.frames.length; ++i) {
+                    flushWindow(win.frames[i]);
+                }
+            }
+                
             // Flush pending restyles and reflows
-            contentRootElement.getBoundingClientRect();
+            flushWindow(contentRootElement.ownerDocument.defaultView);
             // Flush out invalidation
             utils.processUpdates();
         }