Add FormFetcher::RemoveConsumer

components/password_manager/core/browser/form_fetcher_impl.cc

 // Copyright 2016 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/form_fetcher_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 69 matching lines @@
 
 FormFetcherImpl::~FormFetcherImpl() = default;
 
 void FormFetcherImpl::AddConsumer(FormFetcher::Consumer* consumer) {
   DCHECK(consumer);
   consumers_.insert(consumer);
   if (state_ == State::NOT_WAITING)
     consumer->ProcessMatches(weak_non_federated_, filtered_count_);
 }
 
+void FormFetcherImpl::RemoveConsumer(FormFetcher::Consumer* consumer) {
+  size_t removed_consumers = consumers_.erase(consumer);
+  DCHECK_EQ(1u, removed_consumers);
+}
+
 FormFetcherImpl::State FormFetcherImpl::GetState() const {
   return state_;
 }
 
 const std::vector<InteractionsStats>& FormFetcherImpl::GetInteractionsStats()
     const {
   return interactions_stats_;
 }
 
 const std::vector<const PasswordForm*>& FormFetcherImpl::GetFederatedMatches()
@@ skipping 115 matching lines @@
   filtered_count_ = original_count - non_federated_.size();
 
   weak_non_federated_ = MakeWeakCopies(non_federated_);
   weak_federated_ = MakeWeakCopies(federated_);
 
   for (FormFetcher::Consumer* consumer : consumers_)
     consumer->ProcessMatches(weak_non_federated_, filtered_count_);
 }
 
 }  // namespace password_manager