Commit 19797780 authored by Tim Taubert's avatar Tim Taubert
Browse files

Bug 726272 - check if currentDocumentChannel is a valid channel; r=bustage-fix

parent 550ff76c

browser/base/content/browser-thumbnails.js

+4 −0
Original line number Diff line number Diff line
@@ -110,6 +110,10 @@ let gBrowserThumbnails = { 


    let channel = aBrowser.docShell.currentDocumentChannel;



    // No valid document channel. We shouldn't take a screenshot.

    if (!channel)

      return false;



    // Don't take screenshots of internally redirecting about: pages.

    // This includes error pages.

    if (channel.originalURI.schemeIs("about"))