Merge pull request #7521 from brendandahl/bug-1291709

Bug 1291709 - PdfjsChromeUtils.jsm leaks browser.xul windows.
9 years ago · a9c37c242e
1 changed files with 1 additions and 1 deletions
--- a/extensions/firefox/content/PdfjsChromeUtils.jsm
+++ b/extensions/firefox/content/PdfjsChromeUtils.jsm
@ -53,7 +53,7 @@ var PdfjsChromeUtils = {
   */
  init: function () {
-    this._browsers = new Set();
+    this._browsers = new WeakSet();
    if (!this._ppmm) {
      // global parent process message manager (PPMM)
      this._ppmm = Cc['@mozilla.org/parentprocessmessagemanager;1'].