Integrate throttling logic into AffiliationBackend.

components/password_manager/core/browser/affiliation_fetch_throttler_unittest.cc

Index: components/password_manager/core/browser/affiliation_fetch_throttler_unittest.cc
diff --git a/components/password_manager/core/browser/affiliation_fetch_throttler_unittest.cc b/components/password_manager/core/browser/affiliation_fetch_throttler_unittest.cc
index 2e066099ba277d8de0aa16043af2da8298ac3c75..e081e848d33b1785426b2464d97774d56f67e83b 100644
--- a/components/password_manager/core/browser/affiliation_fetch_throttler_unittest.cc
+++ b/components/password_manager/core/browser/affiliation_fetch_throttler_unittest.cc
@@ -27,9 +27,9 @@ namespace {
 class MockAffiliationFetchThrottlerDelegate
     : public AffiliationFetchThrottlerDelegate {
  public:
-  explicit MockAffiliationFetchThrottlerDelegate(
-      scoped_ptr<base::TickClock> tick_clock)
-      : tick_clock_(tick_clock.Pass()),
+  // The |tick_clock| should outlive this instance.
+  explicit MockAffiliationFetchThrottlerDelegate(base::TickClock* tick_clock)
+      : tick_clock_(tick_clock),
         emulated_return_value_(true),
         can_send_count_(0u) {}
   ~MockAffiliationFetchThrottlerDelegate() override {
@@ -49,7 +49,7 @@ class MockAffiliationFetchThrottlerDelegate
   }
 
  private:
-  scoped_ptr<base::TickClock> tick_clock_;
+  base::TickClock* tick_clock_;
   bool emulated_return_value_;
   size_t can_send_count_;
   base::TimeTicks last_can_send_time_;
@@ -64,12 +64,13 @@ class AffiliationFetchThrottlerTest : public testing::Test {
   AffiliationFetchThrottlerTest()
       : network_change_notifier_(net::NetworkChangeNotifier::CreateMock()),
         task_runner_(new base::TestMockTimeTaskRunner),
-        mock_delegate_(task_runner_->GetMockTickClock()) {}
+        mock_tick_clock_(task_runner_->GetMockTickClock()),
+        mock_delegate_(mock_tick_clock_.get()) {}
   ~AffiliationFetchThrottlerTest() override {}
 
   scoped_ptr<AffiliationFetchThrottler> CreateThrottler() {
     return make_scoped_ptr(new AffiliationFetchThrottler(
-        &mock_delegate_, task_runner_, task_runner_->GetMockTickClock()));
+        &mock_delegate_, task_runner_, mock_tick_clock_.get()));
   }
 
   void SimulateHasNetworkConnectivity(bool has_connectivity) {
@@ -125,6 +126,7 @@ class AffiliationFetchThrottlerTest : public testing::Test {
   base::MessageLoop message_loop_;
   scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
   scoped_refptr<base::TestMockTimeTaskRunner> task_runner_;
+  scoped_ptr<base::TickClock> mock_tick_clock_;
   MockAffiliationFetchThrottlerDelegate mock_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(AffiliationFetchThrottlerTest);