Open the LoginDatabase on the DB thread, not the UI thread.

components/password_manager/core/browser/login_database.cc

 // Copyright 2014 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/login_database.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/bind.h"
@@ skipping 135 matching lines @@
 void LogAccountStat(const std::string& name, int sample) {
   LogDynamicUMAStat(name, sample, 0, 32, 6);
 }
 
 void LogTimesUsedStat(const std::string& name, int sample) {
   LogDynamicUMAStat(name, sample, 0, 100, 10);
 }
 
 }  // namespace
 
-LoginDatabase::LoginDatabase() {
+LoginDatabase::LoginDatabase(const base::FilePath& db_path)
+    : db_path_(db_path) {
 }
 
 LoginDatabase::~LoginDatabase() {
 }
 
-bool LoginDatabase::Init(const base::FilePath& db_path) {
+bool LoginDatabase::Init() {
   // Set pragmas for a small, private database (based on WebDatabase).
   db_.set_page_size(2048);
   db_.set_cache_size(32);
   db_.set_exclusive_locking();
   db_.set_restrict_to_user();
 
   {
     // TODO(vadimt): Remove ScopedTracker below once crbug.com/138903 is fixed.
     tracked_objects::ScopedTracker tracking_profile(
         FROM_HERE_WITH_EXPLICIT_FUNCTION("138903 LoginDatabase::Init db init"));
 
-    if (!db_.Open(db_path)) {
+    if (!db_.Open(db_path_)) {
       LOG(WARNING) << "Unable to open the password store database.";
       return false;
     }
   }
 
   sql::Transaction transaction(&db_);
   transaction.Begin();
 
   // Check the database version.
   if (!meta_table_.Init(&db_, kCurrentVersionNumber,
                         kCompatibleVersionNumber)) {
     db_.Close();
     return false;
   }
   if (meta_table_.GetCompatibleVersionNumber() > kCurrentVersionNumber) {
     LOG(WARNING) << "Password store database is too new.";
     db_.Close();
     return false;
   }
 
   // Initialize the tables.
   if (!InitLoginsTable()) {
     LOG(WARNING) << "Unable to initialize the password store database.";
     db_.Close();
     return false;
   }
 
-  // Save the path for DeleteDatabaseFile().
-  db_path_ = db_path;
-
   // If the file on disk is an older database version, bring it up to date.
   if (!MigrateOldVersionsAsNeeded()) {
     LOG(WARNING) << "Unable to migrate database";
     db_.Close();
     return false;
   }
 
   if (!transaction.Commit()) {
     db_.Close();
     return false;
@@ skipping 669 matching lines @@
     forms->push_back(new_form.release());
   }
   return s.Succeeded();
 }
 
 bool LoginDatabase::DeleteAndRecreateDatabaseFile() {
   DCHECK(db_.is_open());
   meta_table_.Reset();
   db_.Close();
   sql::Connection::Delete(db_path_);
-  return Init(db_path_);
+  return Init();
 }
 
 }  // namespace password_manager