Refactor net::BackoffEntry to not require subclassing

net/url_request/url_request_throttler_test_support.cc

 // Copyright (c) 2012 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 "net/url_request/url_request_throttler_test_support.h"
 
 #include "net/url_request/url_request_throttler_entry.h"
 
 namespace net {
 
-MockBackoffEntry::MockBackoffEntry(const BackoffEntry::Policy* const policy)
-    : BackoffEntry(policy) {
-}
+TestTickClock::TestTickClock() {}
 
-MockBackoffEntry::~MockBackoffEntry() {
-}
+TestTickClock::TestTickClock(base::TimeTicks now) : now_ticks_(now) {}
 
-base::TimeTicks MockBackoffEntry::ImplGetTimeNow() const {
-  return fake_now_;
-}
+TestTickClock::~TestTickClock() {}
 
-void MockBackoffEntry::set_fake_now(const base::TimeTicks& now) {
-  fake_now_ = now;
+base::TimeTicks TestTickClock::NowTicks() {
+  return now_ticks_;
 }
 
 MockURLRequestThrottlerHeaderAdapter::MockURLRequestThrottlerHeaderAdapter(
     int response_code)
     : fake_response_code_(response_code) {
 }
 
 MockURLRequestThrottlerHeaderAdapter::MockURLRequestThrottlerHeaderAdapter(
     const std::string& retry_value,
     const std::string& opt_out_value,
@@ skipping 15 matching lines @@
   }
 
   return std::string();
 }
 
 int MockURLRequestThrottlerHeaderAdapter::GetResponseCode() const {
   return fake_response_code_;
 }
 
 }  // namespace net