Move browsing_data counter sync tests to separate file

components/browsing_data/core/counters/passwords_counter.cc

 // 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/browsing_data/core/counters/passwords_counter.h"
 
 #include "components/browsing_data/core/pref_names.h"
 #include "components/password_manager/core/browser/password_manager_util.h"
 #include "components/password_manager/core/browser/password_store.h"
 #include "components/sync/driver/sync_service.h"
@@ skipping 45 matching lines @@
 }
 
 void PasswordsCounter::OnGetPasswordStoreResults(
     std::vector<std::unique_ptr<autofill::PasswordForm>> results) {
   base::Time start = GetPeriodStart();
   int num_passwords = std::count_if(
       results.begin(), results.end(),
       [start](const std::unique_ptr<autofill::PasswordForm>& form) {
         return form->date_created >= start;
       });
-  ReportResult(base::MakeUnique<PasswordResult>(this, num_passwords,
-                                                password_sync_enabled_));
+  ReportResult(base::MakeUnique<SyncResult>(this, num_passwords,
+                                            password_sync_enabled_));
 }
 
 void PasswordsCounter::OnLoginsChanged(
     const password_manager::PasswordStoreChangeList& changes) {
   Restart();
 }
 
 void PasswordsCounter::OnStateChanged(syncer::SyncService* sync) {
   bool sync_enabled_new = IsPasswordSyncEnabled(sync_service_);
 
   if (password_sync_enabled_ != sync_enabled_new) {
     password_sync_enabled_ = sync_enabled_new;
     Restart();
   }
 }
 
-// PasswordsCounter::PasswordResult
-
-PasswordsCounter::PasswordResult::PasswordResult(const PasswordsCounter* source,
-                                                 ResultInt value,
-                                                 bool password_sync_enabled)
-    : FinishedResult(source, value),
-      password_sync_enabled_(password_sync_enabled) {}
-
-PasswordsCounter::PasswordResult::~PasswordResult() {}
-
 }  // namespace browsing_data