import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/components/url-classifier/nsUrlClassifierLib.js

@@ -0,0 +1,52 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+// We wastefully reload the same JS files across components.  This puts all
+// the common JS files used by safebrowsing and url-classifier into a
+// single component.
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const G_GDEBUG = false;
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+#include ./content/moz/lang.js
+#include ./content/moz/preferences.js
+#include ./content/moz/debug.js
+#include ./content/moz/alarm.js
+#include ./content/moz/cryptohasher.js
+#include ./content/moz/observer.js
+#include ./content/moz/protocol4.js
+
+#include ./content/request-backoff.js
+#include ./content/xml-fetcher.js
+
+// Wrap a general-purpose |RequestBackoff| to a v4-specific one
+// since both listmanager and hashcompleter would use it.
+// Note that |maxRequests| and |requestPeriod| is still configurable
+// to throttle pending requests.
+function RequestBackoffV4(maxRequests, requestPeriod) {
+  let rand = Math.random();
+  let retryInterval = Math.floor(15 * 60 * 1000 * (rand + 1));   // 15 ~ 30 min.
+  let backoffInterval = Math.floor(30 * 60 * 1000 * (rand + 1)); // 30 ~ 60 min.
+
+  return new RequestBackoff(2 /* max errors */,
+                retryInterval /* retry interval, 15~30 min */,
+                  maxRequests /* num requests */,
+                requestPeriod /* request time, 60 min */,
+              backoffInterval /* backoff interval, 60 min */,
+          24 * 60 * 60 * 1000 /* max backoff, 24hr */);
+}
+
+// Expose this whole component.
+var lib = this;
+
+function UrlClassifierLib() {
+  this.wrappedJSObject = lib;
+}
+UrlClassifierLib.prototype.classID = Components.ID("{26a4a019-2827-4a89-a85c-5931a678823a}");
+UrlClassifierLib.prototype.QueryInterface = XPCOMUtils.generateQI([]);
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([UrlClassifierLib]);