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.cc

Index: components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler.cc
diff --git a/components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler.cc b/components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler.cc
deleted file mode 100644
index 0ec5f76a5d004001b29e5cc18d95eb53aad9157a..0000000000000000000000000000000000000000
--- a/components/password_manager/core/browser/android_affiliation/affiliation_fetch_throttler.cc
+++ /dev/null
@@ -1,143 +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 <stdint.h>
-
-#include "base/logging.h"
-#include "base/rand_util.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"
-
-namespace password_manager {
-
-// static
-const net::BackoffEntry::Policy AffiliationFetchThrottler::kBackoffPolicy = {
-    // Number of initial errors (in sequence) to ignore before going into
-    // exponential backoff.
-    0,
-
-    // Initial delay (in ms) once backoff starts.
-    10 * 1000,  // 10 seconds
-
-    // Factor by which the delay will be multiplied on each subsequent failure.
-    4,
-
-    // Fuzzing percentage: 50% will spread delays randomly between 50%--100% of
-    // the nominal time.
-    .5,  // 50%
-
-    // Maximum delay (in ms) during exponential backoff.
-    6 * 3600 * 1000,  // 6 hours
-
-    // Time to keep an entry from being discarded even when it has no
-    // significant state, -1 to never discard. (Not applicable.)
-    -1,
-
-    // False means that initial_delay_ms is the first delay once we start
-    // exponential backoff, i.e., there is no delay after subsequent successful
-    // requests.
-    false,
-};
-
-// static
-const int64_t AffiliationFetchThrottler::kGracePeriodAfterReconnectMs =
-    10 * 1000;  // 10 seconds
-
-AffiliationFetchThrottler::AffiliationFetchThrottler(
-    AffiliationFetchThrottlerDelegate* delegate,
-    const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
-    base::TickClock* tick_clock)
-    : delegate_(delegate),
-      task_runner_(task_runner),
-      tick_clock_(tick_clock),
-      state_(IDLE),
-      has_network_connectivity_(false),
-      is_fetch_scheduled_(false),
-      exponential_backoff_(new net::BackoffEntry(&kBackoffPolicy, tick_clock_)),
-      weak_ptr_factory_(this) {
-  DCHECK(delegate);
-  // Start observing before querying the current connectivity state, so that if
-  // the state changes concurrently in-between, it will not go unnoticed.
-  net::NetworkChangeNotifier::AddConnectionTypeObserver(this);
-  has_network_connectivity_ = !net::NetworkChangeNotifier::IsOffline();
-}
-
-AffiliationFetchThrottler::~AffiliationFetchThrottler() {
-  net::NetworkChangeNotifier::RemoveConnectionTypeObserver(this);
-}
-
-void AffiliationFetchThrottler::SignalNetworkRequestNeeded() {
-  if (state_ != IDLE)
-    return;
-
-  state_ = FETCH_NEEDED;
-  if (has_network_connectivity_)
-    EnsureCallbackIsScheduled();
-}
-
-void AffiliationFetchThrottler::InformOfNetworkRequestComplete(bool success) {
-  DCHECK_EQ(state_, FETCH_IN_FLIGHT);
-  state_ = IDLE;
-  exponential_backoff_->InformOfRequest(success);
-}
-
-void AffiliationFetchThrottler::EnsureCallbackIsScheduled() {
-  DCHECK_EQ(state_, FETCH_NEEDED);
-  DCHECK(has_network_connectivity_);
-
-  if (is_fetch_scheduled_)
-    return;
-
-  is_fetch_scheduled_ = true;
-  task_runner_->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&AffiliationFetchThrottler::OnBackoffDelayExpiredCallback,
-                 weak_ptr_factory_.GetWeakPtr()),
-      exponential_backoff_->GetTimeUntilRelease());
-}
-
-void AffiliationFetchThrottler::OnBackoffDelayExpiredCallback() {
-  DCHECK_EQ(state_, FETCH_NEEDED);
-  DCHECK(is_fetch_scheduled_);
-  is_fetch_scheduled_ = false;
-
-  // Do nothing if network connectivity was lost while this callback was in the
-  // task queue. The callback will be posted in the OnConnectionTypeChanged
-  // handler once again.
-  if (!has_network_connectivity_)
-    return;
-
-  // The release time might have been increased if network connectivity was lost
-  // and restored while this callback was in the task queue. If so, reschedule.
-  if (exponential_backoff_->ShouldRejectRequest())
-    EnsureCallbackIsScheduled();
-  else
-    state_ = delegate_->OnCanSendNetworkRequest() ? FETCH_IN_FLIGHT : IDLE;
-}
-
-void AffiliationFetchThrottler::OnConnectionTypeChanged(
-    net::NetworkChangeNotifier::ConnectionType type) {
-  bool old_has_network_connectivity = has_network_connectivity_;
-  has_network_connectivity_ =
-      (type != net::NetworkChangeNotifier::CONNECTION_NONE);
-
-  // Only react when network connectivity has been reestablished.
-  if (!has_network_connectivity_ || old_has_network_connectivity)
-    return;
-
-  double grace_ms = kGracePeriodAfterReconnectMs *
-                    (1 - base::RandDouble() * kBackoffPolicy.jitter_factor);
-  exponential_backoff_->SetCustomReleaseTime(std::max(
-      exponential_backoff_->GetReleaseTime(),
-      tick_clock_->NowTicks() + base::TimeDelta::FromMillisecondsD(grace_ms)));
-
-  if (state_ == FETCH_NEEDED)
-    EnsureCallbackIsScheduled();
-}
-
-}  // namespace password_manager