Revert of Reland: Move the files related to Android <-> Web credentials to a separate folder.

components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler_unittest.cc

Index: components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler_unittest.cc
diff --git a/components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler_unittest.cc b/components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler_unittest.cc
deleted file mode 100644
index e365a68541bc100216fb80bbeeba6a1506ed6fba..0000000000000000000000000000000000000000
--- a/components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler_unittest.cc
+++ /dev/null
@@ -1,424 +0,0 @@
-// Copyright 2015 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/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler.h"
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <cmath>
-#include <memory>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop.h"
-#include "base/numerics/safe_math.h"
-#include "base/run_loop.h"
-#include "base/test/test_mock_time_task_runner.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "base/time/tick_clock.h"
-#include "base/time/time.h"
-#include "components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler_delegate.h"
-#include "net/base/network_change_notifier.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace password_manager {
-namespace {
-
-class MockAffiliationFetchThrottlerDelegate
-    : public AffiliationFetchThrottlerDelegate {
- public:
-  // 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 {
-    EXPECT_EQ(0u, can_send_count_);
-  }
-
-  void set_emulated_return_value(bool value) { emulated_return_value_ = value; }
-  void reset_can_send_count() { can_send_count_ = 0u; }
-  size_t can_send_count() const { return can_send_count_; }
-  base::TimeTicks last_can_send_time() const { return last_can_send_time_; }
-
-  // AffiliationFetchThrottlerDelegate:
-  bool OnCanSendNetworkRequest() override {
-    ++can_send_count_;
-    last_can_send_time_ = tick_clock_->NowTicks();
-    return emulated_return_value_;
-  }
-
- private:
-  base::TickClock* tick_clock_;
-  bool emulated_return_value_;
-  size_t can_send_count_;
-  base::TimeTicks last_can_send_time_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockAffiliationFetchThrottlerDelegate);
-};
-
-}  // namespace
-
-class AffiliationFetchThrottlerTest : public testing::Test {
- public:
-  AffiliationFetchThrottlerTest()
-      : network_change_notifier_(net::NetworkChangeNotifier::CreateMock()),
-        task_runner_(new base::TestMockTimeTaskRunner),
-        mock_tick_clock_(task_runner_->GetMockTickClock()),
-        mock_delegate_(mock_tick_clock_.get()) {}
-  ~AffiliationFetchThrottlerTest() override {}
-
-  std::unique_ptr<AffiliationFetchThrottler> CreateThrottler() {
-    return base::MakeUnique<AffiliationFetchThrottler>(
-        &mock_delegate_, task_runner_, mock_tick_clock_.get());
-  }
-
-  void SimulateHasNetworkConnectivity(bool has_connectivity) {
-    net::NetworkChangeNotifier::NotifyObserversOfConnectionTypeChangeForTests(
-        has_connectivity ? net::NetworkChangeNotifier::CONNECTION_UNKNOWN
-                         : net::NetworkChangeNotifier::CONNECTION_NONE);
-    base::RunLoop().RunUntilIdle();
-  }
-
-  // Runs the task runner until no tasks remain, and asserts that by this time,
-  // OnCanSendNetworkRequest() will have been called exactly once, with a delay
-  // between |min_delay_ms| and |max_delay_ms|, modulo 0.5 ms to allow for
-  // floating point errors. When OnCanSendNetworkRequest() is called, the mock
-  // will return |emulated_return_value|. This value normally indicates whether
-  // or not a request was actually issued in response to the call.
-  void AssertReleaseInBetween(bool emulated_return_value,
-                              double min_delay_ms,
-                              double max_delay_ms) {
-    ASSERT_EQ(0u, mock_delegate_.can_send_count());
-    base::TimeTicks ticks_at_start = task_runner_->NowTicks();
-    mock_delegate_.set_emulated_return_value(emulated_return_value);
-    task_runner_->FastForwardUntilNoTasksRemain();
-    ASSERT_EQ(1u, mock_delegate_.can_send_count());
-    base::TimeDelta delay =
-        mock_delegate_.last_can_send_time() - ticks_at_start;
-    EXPECT_LE(min_delay_ms - 1, delay.InMillisecondsF());
-    EXPECT_GE(max_delay_ms + 1, delay.InMillisecondsF());
-    mock_delegate_.reset_can_send_count();
-  }
-
-  // Runs the task runner for |secs| and asserts that OnCanSendNetworkRequest()
-  // will not have been called by the end of this period.
-  void AssertNoReleaseForSecs(int64_t secs) {
-    task_runner_->FastForwardBy(base::TimeDelta::FromSeconds(secs));
-    ASSERT_EQ(0u, mock_delegate_.can_send_count());
-  }
-
-  // Runs the task runner until no tasks remain, and asserts that
-  // OnCanSendNetworkRequest() will not have been called.
-  void AssertNoReleaseUntilNoTasksRemain() {
-    task_runner_->FastForwardUntilNoTasksRemain();
-    ASSERT_EQ(0u, mock_delegate_.can_send_count());
-  }
-
-  size_t GetPendingTaskCount() const {
-    return task_runner_->GetPendingTaskCount();
-  }
-
- private:
-  // Needed because NetworkChangeNotifier uses base::ObserverList, which
-  // notifies
-  // observers on the MessageLoop that belongs to the thread from which they
-  // have registered.
-  base::MessageLoop message_loop_;
-  std::unique_ptr<net::NetworkChangeNotifier> network_change_notifier_;
-  scoped_refptr<base::TestMockTimeTaskRunner> task_runner_;
-  std::unique_ptr<base::TickClock> mock_tick_clock_;
-  MockAffiliationFetchThrottlerDelegate mock_delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(AffiliationFetchThrottlerTest);
-};
-
-TEST_F(AffiliationFetchThrottlerTest, SuccessfulRequests) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-
-  // Signal while request is in flight should be ignored.
-  throttler->SignalNetworkRequestNeeded();
-  AssertNoReleaseUntilNoTasksRemain();
-  throttler->InformOfNetworkRequestComplete(true);
-  AssertNoReleaseUntilNoTasksRemain();
-
-  // Duplicate the second signal 3 times: still only 1 callback should arrive.
-  throttler->SignalNetworkRequestNeeded();
-  throttler->SignalNetworkRequestNeeded();
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-}
-
-TEST_F(AffiliationFetchThrottlerTest, FailedRequests) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-  throttler->InformOfNetworkRequestComplete(false);
-
-  // The request after the first failure should be delayed by |initial_delay_ms|
-  // spread out over Uniform(1 - |jitter_factor|, 1).
-  throttler->SignalNetworkRequestNeeded();
-  const auto& kPolicy = AffiliationFetchThrottler::kBackoffPolicy;
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(
-      true, kPolicy.initial_delay_ms * (1 - kPolicy.jitter_factor),
-      kPolicy.initial_delay_ms));
-  throttler->InformOfNetworkRequestComplete(true);
-
-  // After a successful request, the next one should be released immediately.
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-  throttler->InformOfNetworkRequestComplete(false);
-
-  // In general, the request after the n-th failure should be delayed by
-  //   |multiply_factor| ^ (n-1) * |initial_delay_ms|,
-  // spread out over Uniform(1 - |jitter_factor|, 1), up until
-  //   |maximum_backoff_ms|
-  // is reached.
-  for (int num_failures = 1; num_failures < 100; ++num_failures) {
-    throttler->SignalNetworkRequestNeeded();
-    double max_delay_ms = kPolicy.initial_delay_ms *
-                          pow(kPolicy.multiply_factor, num_failures - 1);
-    double min_delay_ms = max_delay_ms * (1 - kPolicy.jitter_factor);
-    if (max_delay_ms > kPolicy.maximum_backoff_ms)
-      max_delay_ms = kPolicy.maximum_backoff_ms;
-    if (min_delay_ms > kPolicy.maximum_backoff_ms)
-      min_delay_ms = kPolicy.maximum_backoff_ms;
-    ASSERT_NO_FATAL_FAILURE(
-        AssertReleaseInBetween(true, min_delay_ms, max_delay_ms));
-    throttler->InformOfNetworkRequestComplete(false);
-  }
-}
-
-TEST_F(AffiliationFetchThrottlerTest, OnCanSendNetworkRequestReturnsFalse) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  // A need for a network request is signaled, but as OnCanSendNetworkRequest()
-  // is called, the implementation returns false to indicate that the request
-  // will not be needed after all. InformOfNetworkRequestComplete() must not be
-  // called in this case.
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(false, 0, 0));
-
-  // A subsequent signaling, however, should result in OnCanSendNetworkRequest()
-  // being called immediately.
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-}
-
-TEST_F(AffiliationFetchThrottlerTest, GracePeriodAfterConnectivityIsRestored) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-  SimulateHasNetworkConnectivity(false);
-
-  // After connectivity is restored, the first request should be delayed by the
-  // grace period, spread out over Uniform(1 - |jitter_factor|, 1).
-  throttler->SignalNetworkRequestNeeded();
-  AssertNoReleaseUntilNoTasksRemain();
-
-  SimulateHasNetworkConnectivity(true);
-  const auto& kPolicy = AffiliationFetchThrottler::kBackoffPolicy;
-  const int64_t& kGraceMs =
-      AffiliationFetchThrottler::kGracePeriodAfterReconnectMs;
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(
-      true, kGraceMs * (1 - kPolicy.jitter_factor), kGraceMs));
-  throttler->InformOfNetworkRequestComplete(true);
-
-  // The next request should not be delayed.
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-}
-
-// Same as GracePeriodAfterConnectivityIsRestored, but the network comes back
-// just before SignalNetworkRequestNeeded() is called.
-TEST_F(AffiliationFetchThrottlerTest, GracePeriodAfterConnectivityIsRestored2) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-  SimulateHasNetworkConnectivity(false);
-
-  SimulateHasNetworkConnectivity(true);
-  throttler->SignalNetworkRequestNeeded();
-  const auto& kPolicy = AffiliationFetchThrottler::kBackoffPolicy;
-  const int64_t& kGraceMs =
-      AffiliationFetchThrottler::kGracePeriodAfterReconnectMs;
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(
-      true, kGraceMs * (1 - kPolicy.jitter_factor), kGraceMs));
-  throttler->InformOfNetworkRequestComplete(true);
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-}
-
-TEST_F(AffiliationFetchThrottlerTest, ConnectivityLostDuringBackoff) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-  throttler->InformOfNetworkRequestComplete(false);
-
-  throttler->SignalNetworkRequestNeeded();
-  SimulateHasNetworkConnectivity(false);
-
-  // Let the exponential backoff delay expire, and verify nothing happens.
-  AssertNoReleaseUntilNoTasksRemain();
-
-  // Verify that the request is, however, sent after the normal grace period
-  // once connectivity is restored.
-  SimulateHasNetworkConnectivity(true);
-  const auto& kPolicy = AffiliationFetchThrottler::kBackoffPolicy;
-  const int64_t& kGraceMs =
-      AffiliationFetchThrottler::kGracePeriodAfterReconnectMs;
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(
-      true, kGraceMs * (1 - kPolicy.jitter_factor), kGraceMs));
-  throttler->InformOfNetworkRequestComplete(true);
-}
-
-TEST_F(AffiliationFetchThrottlerTest,
-       ConnectivityLostAndRestoredDuringBackoff) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-  throttler->InformOfNetworkRequestComplete(false);
-
-  throttler->SignalNetworkRequestNeeded();
-  const auto& kPolicy = AffiliationFetchThrottler::kBackoffPolicy;
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(
-      true, kPolicy.initial_delay_ms * (1 - kPolicy.jitter_factor),
-      kPolicy.initial_delay_ms));
-  throttler->InformOfNetworkRequestComplete(false);
-
-  SimulateHasNetworkConnectivity(false);
-  SimulateHasNetworkConnectivity(true);
-
-  // This test expects that the exponential backoff interval after the 2nd error
-  // is larger than the normal grace period after connectivity is restored.
-  const int64_t& kGraceMs =
-      AffiliationFetchThrottler::kGracePeriodAfterReconnectMs;
-  EXPECT_PRED_FORMAT2(testing::DoubleLE, kGraceMs,
-                      kPolicy.initial_delay_ms * kPolicy.multiply_factor);
-
-  // The release should come after the longest of the two intervals expire.
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(
-      true, kPolicy.initial_delay_ms * kPolicy.multiply_factor *
-                (1 - kPolicy.jitter_factor),
-      kPolicy.initial_delay_ms * kPolicy.multiply_factor));
-  throttler->InformOfNetworkRequestComplete(false);
-}
-
-TEST_F(AffiliationFetchThrottlerTest, FlakyConnectivity) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-  throttler->InformOfNetworkRequestComplete(false);
-
-  // Run for a total of 5 grace periods and simulate connectivity being lost and
-  // restored every second. This verifies that a flaky connection will not flood
-  // the task queue with lots of of tasks and also that release will not happen
-  // while the connection is flaky even once the first grace period has expired.
-  throttler->SignalNetworkRequestNeeded();
-  const auto& kPolicy = AffiliationFetchThrottler::kBackoffPolicy;
-  const int64_t& kGraceMs =
-      AffiliationFetchThrottler::kGracePeriodAfterReconnectMs;
-  int64_t five_grace_periods_secs =
-      kGraceMs * 5 / base::Time::kMillisecondsPerSecond;
-  for (int64_t t = 0; t < five_grace_periods_secs; ++t) {
-    SimulateHasNetworkConnectivity(false);
-    AssertNoReleaseForSecs(1);
-    SimulateHasNetworkConnectivity(true);
-    EXPECT_EQ(1u, GetPendingTaskCount());
-  }
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(
-      true, kGraceMs * (1 - kPolicy.jitter_factor), kGraceMs));
-}
-
-TEST_F(AffiliationFetchThrottlerTest, ConnectivityLostDuringRequest) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-
-  SimulateHasNetworkConnectivity(false);
-  AssertNoReleaseUntilNoTasksRemain();
-  throttler->InformOfNetworkRequestComplete(false);
-  AssertNoReleaseUntilNoTasksRemain();
-  throttler->SignalNetworkRequestNeeded();
-  AssertNoReleaseUntilNoTasksRemain();
-
-  SimulateHasNetworkConnectivity(true);
-
-  // Verify that the next request is released after the normal grace period.
-  const auto& kPolicy = AffiliationFetchThrottler::kBackoffPolicy;
-  const int64_t& kGraceMs =
-      AffiliationFetchThrottler::kGracePeriodAfterReconnectMs;
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(
-      true, kGraceMs * (1 - kPolicy.jitter_factor), kGraceMs));
-  throttler->InformOfNetworkRequestComplete(true);
-}
-
-TEST_F(AffiliationFetchThrottlerTest,
-       ConnectivityLostAndRestoredDuringRequest) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-
-  SimulateHasNetworkConnectivity(false);
-  AssertNoReleaseUntilNoTasksRemain();
-  SimulateHasNetworkConnectivity(true);
-  AssertNoReleaseUntilNoTasksRemain();
-  throttler->InformOfNetworkRequestComplete(true);
-
-  // Even though the previous request succeeded, the next request should still
-  // be held back for the normal grace period after connection is restored.
-  throttler->SignalNetworkRequestNeeded();
-  const auto& kPolicy = AffiliationFetchThrottler::kBackoffPolicy;
-  const int64_t& kGraceMs =
-      AffiliationFetchThrottler::kGracePeriodAfterReconnectMs;
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(
-      true, kGraceMs * (1 - kPolicy.jitter_factor), kGraceMs));
-  throttler->InformOfNetworkRequestComplete(true);
-}
-
-TEST_F(AffiliationFetchThrottlerTest,
-       ConnectivityLostAndRestoredDuringRequest2) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-
-  SimulateHasNetworkConnectivity(false);
-  AssertNoReleaseUntilNoTasksRemain();
-  SimulateHasNetworkConnectivity(true);
-
-  const int64_t& kGraceMs =
-      AffiliationFetchThrottler::kGracePeriodAfterReconnectMs;
-  AssertNoReleaseForSecs(kGraceMs / base::Time::kMillisecondsPerSecond);
-  throttler->InformOfNetworkRequestComplete(true);
-
-  // The next request should not be held back.
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-}
-
-TEST_F(AffiliationFetchThrottlerTest, InstanceDestroyedWhileInBackoff) {
-  std::unique_ptr<AffiliationFetchThrottler> throttler(CreateThrottler());
-
-  throttler->SignalNetworkRequestNeeded();
-  ASSERT_NO_FATAL_FAILURE(AssertReleaseInBetween(true, 0, 0));
-  throttler->InformOfNetworkRequestComplete(false);
-
-  throttler->SignalNetworkRequestNeeded();
-  throttler.reset();
-  EXPECT_EQ(1u, GetPendingTaskCount());
-  AssertNoReleaseUntilNoTasksRemain();
-}
-
-}  // namespace password_manager