Add foundation for trimming the AffiliationDatabase.

chrome/browser/password_manager/password_store_factory.cc

 // Copyright (c) 2012 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 "chrome/browser/password_manager/password_store_factory.h"
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/prefs/pref_service.h"
@@ skipping 175 matching lines @@
   if (ShouldAffiliationBasedMatchingBeActive(profile) &&
       !password_store->HasAffiliatedMatchHelper()) {
     ActivateAffiliationBasedMatching(password_store.get(), profile);
   } else if (!ShouldAffiliationBasedMatchingBeActive(profile) &&
              password_store->HasAffiliatedMatchHelper()) {
     password_store->SetAffiliatedMatchHelper(
         make_scoped_ptr<password_manager::AffiliatedMatchHelper>(nullptr));
   }
 }
 
+// static
+void PasswordStoreFactory::TrimOrDeleteAffiliationCache(Profile* profile) {
+  scoped_refptr<PasswordStore> password_store =
+      GetForProfile(profile, ServiceAccessType::EXPLICIT_ACCESS);
+  if (password_store && password_store->HasAffiliatedMatchHelper()) {
+    password_store->TrimAffiliationCache();
+  } else {
+    scoped_refptr<base::SingleThreadTaskRunner> db_thread_runner(
+        content::BrowserThread::GetMessageLoopProxyForThread(
+            content::BrowserThread::DB));
+    password_manager::AffiliationService::DeleteCache(
+        GetAffiliationDatabasePath(profile), db_thread_runner.get());
+  }
+}
+
 PasswordStoreFactory::PasswordStoreFactory()
     : BrowserContextKeyedServiceFactory(
         "PasswordStore",
         BrowserContextDependencyManager::GetInstance()) {
   DependsOn(WebDataServiceFactory::GetInstance());
 }
 
 PasswordStoreFactory::~PasswordStoreFactory() {}
 
 #if !defined(OS_CHROMEOS) && defined(USE_X11)
@@ skipping 224 matching lines @@
         break;
       case LIBSECRET:
         usage = OTHER_LIBSECRET;
         break;
     }
   }
   UMA_HISTOGRAM_ENUMERATION("PasswordManager.LinuxBackendStatistics", usage,
                             MAX_BACKEND_USAGE_VALUE);
 }
 #endif