Bug 1197927 - Sanitize throws exception if browser goes away too quickly. r=felipe

2015-08-24 14:34:56 -04:00 · 2015-08-24 14:34:56 -04:00 · cde79a72b8
--- a/toolkit/content/widgets/remote-browser.xml
+++ b/toolkit/content/widgets/remote-browser.xml
@ -406,7 +406,11 @@
      <method name="purgeSessionHistory">
        <body>
          <![CDATA[
-            this.messageManager.sendAsyncMessage("Browser:PurgeSessionHistory");
+            try {
+              this.messageManager.sendAsyncMessage("Browser:PurgeSessionHistory");
+            } catch (ex if ex.result == Components.results.NS_ERROR_NOT_INITIALIZED) {
+              // This can throw if the browser has started to go away.
+            }
            this.webNavigation.canGoBack = false;
            this.webNavigation.canGoForward = false;
          ]]>