Refactor net::BackoffEntry to not require subclassing

components/domain_reliability/util.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/domain_reliability/util.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
@@ skipping 178 matching lines @@
 ActualTime::ActualTime() {}
 ActualTime::~ActualTime() {}
 
 base::Time ActualTime::Now() { return base::Time::Now(); }
 base::TimeTicks ActualTime::NowTicks() { return base::TimeTicks::Now(); }
 
 scoped_ptr<MockableTime::Timer> ActualTime::CreateTimer() {
   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