--- a/browser/modules/ContentCrashHandlers.jsm
+++ b/browser/modules/ContentCrashHandlers.jsm
@@ -109,16 +109,26 @@ this.TabCrashHandler = {
           // this list from getting too large by putting a reasonable upper
           // limit on how many childIDs we track. It's unlikely that this
           // array would ever get so large as to be unwieldy (that'd be a lot
           // or crashes!), but a leak is a leak.
           if (this.unseenCrashedChildIDs.length > MAX_UNSEEN_CRASHED_CHILD_IDS) {
             this.unseenCrashedChildIDs.shift();
           }
         }
+
+        // check for environment affecting crash reporting
+        let env = Cc["@mozilla.org/process/environment;1"]
+                    .getService(Ci.nsIEnvironment);
+        let shutdown = env.exists("MOZ_CRASHREPORTER_SHUTDOWN");
+
+        if (shutdown) {
+          Services.startup.quit(Ci.nsIAppStartup.eForceQuit);
+        }
+
         break;
       }
       case "oop-frameloader-crashed": {
         aSubject.QueryInterface(Ci.nsIFrameLoader);
 
         let browser = aSubject.ownerElement;
         if (!browser) {
           return;