Revert of Revert of Domain Reliability: Switch to BackoffEntry in Scheduler

components/domain_reliability/util.cc

Index: components/domain_reliability/util.cc
diff --git a/components/domain_reliability/util.cc b/components/domain_reliability/util.cc
index 68f6db6dad6afeb23b5867b0e98b99d5f670545f..6fc50c56e42e4d254fa40998423d14d788482286 100644
--- a/components/domain_reliability/util.cc
+++ b/components/domain_reliability/util.cc
@@ -136,4 +136,17 @@
   return scoped_ptr<MockableTime::Timer>(new ActualTimer());
 }
 
+MockableTimeBackoffEntry::MockableTimeBackoffEntry(
+    const net::BackoffEntry::Policy* const policy,
+    MockableTime* time)
+    : net::BackoffEntry(policy),
+      time_(time) {
+}
+
+MockableTimeBackoffEntry::~MockableTimeBackoffEntry() {}
+
+base::TimeTicks MockableTimeBackoffEntry::ImplGetTimeNow() const {
+  return time_->NowTicks();
+}
+
 }  // namespace domain_reliability