Only store leading 13 bits of password hash.

chrome/browser/signin/chrome_signin_client.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 "chrome/browser/signin/chrome_signin_client.h"
 
 #include "base/command_line.h"
 #include "base/guid.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 216 matching lines @@
     ProfileMetrics::UpdateReportedProfilesStatistics(profile_manager);
   }
 }
 
 void ChromeSigninClient::PostSignedIn(const std::string& account_id,
                                       const std::string& username,
                                       const std::string& password) {
 #if !defined(OS_ANDROID) && !defined(OS_IOS) && !defined(OS_CHROMEOS)
   // Don't store password hash except when lock is available for the user.
   if (!password.empty() && profiles::IsLockAvailable(profile_))
-    chrome::SetLocalAuthCredentials(profile_, password);
+    LocalAuth::SetLocalAuthCredentials(profile_, password);
 #endif
 }
 
 void ChromeSigninClient::OnErrorChanged() {
   // Some tests don't have a ProfileManager.
   if (g_browser_process->profile_manager() == nullptr)
     return;
 
   ProfileInfoCache& cache = g_browser_process->profile_manager()->
       GetProfileInfoCache();
   size_t index = cache.GetIndexOfProfileWithPath(profile_->GetPath());
   if (index == std::string::npos)
     return;
 
   cache.SetProfileIsAuthErrorAtIndex(index,
       signin_error_controller_->HasError());
 }