Create setting that disables password stores

components/os_crypt/os_crypt_linux.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/os_crypt/os_crypt.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <iterator>
@@ skipping 232 matching lines @@
 // static
 void OSCrypt::SetMainThreadRunner(
     scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner) {
   // Setting the task runner makes no sense after initializing.
   DCHECK(!g_cache.Get().is_key_storage_cached);
 
   KeyStorageLinux::SetMainThreadRunner(main_thread_runner);
 }
 
 // static
+void OSCrypt::ShouldUsePreference(bool should_use_preference) {
+  // Setting initialisation parameters makes no sense after initializing.
+  DCHECK(!g_cache.Get().is_key_storage_cached);
+
+  KeyStorageLinux::ShouldUsePreference(should_use_preference);
+}
+
+// static
+void OSCrypt::SetUserDataPath(const base::FilePath& path) {
+  // Setting initialisation parameters makes no sense after initializing.
+  DCHECK(!g_cache.Get().is_key_storage_cached);
+
+  KeyStorageLinux::SetUserDataPath(path);
+}
+
+// static
 bool OSCrypt::IsEncryptionAvailable() {
   return g_get_password[Version::V11]();
 }
 
 void ClearCacheForTesting() {
   g_cache.Get().key_storage_cache.reset();
   g_cache.Get().password_v10_cache.reset();
   g_cache.Get().password_v11_cache.reset();
   g_cache.Get().is_key_storage_cached = false;
   g_cache.Get().is_password_v11_cached = false;
@@ skipping 18 matching lines @@
     // |KeyStorage| instance can be created. Enable V11 by returning the mock.
     if (get_key_storage_mock)
       g_key_storage_provider = get_key_storage_mock;
   } else {
     // Restore real implementation
     std::copy(std::begin(get_password_save), std::end(get_password_save),
               std::begin(g_get_password));
     g_key_storage_provider = &GetKeyStorage;
   }
 }