Implement debugging local unlock keys in chrome://proximity-auth.

chrome/browser/signin/easy_unlock_service.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/easy_unlock_service.h"
 
 #include "apps/app_lifetime_monitor.h"
 #include "apps/app_lifetime_monitor_factory.h"
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 669 matching lines @@
   chrome::VersionInfo version_info;
   const std::vector<uint32_t>& version_components =
       base::Version(version_info.Version()).components();
   if (version_components.size() > 0)
     device_classifier.set_device_software_version_code(version_components[0]);
 
   device_classifier.set_device_software_package(version_info.Name());
   return device_classifier;
 }
 
+std::string EasyUnlockService::GetAccountId() {
+  return SigninManagerFactory::GetForProfile(profile())
+      ->GetAuthenticatedAccountId();
+}
+
 gcm::GCMDriver* EasyUnlockService::GetGCMDriver() {
   gcm::GCMProfileService* gcm_profile_service =
       gcm::GCMProfileServiceFactory::GetForProfile(profile_);
   return gcm_profile_service->driver();
 }
 
 void EasyUnlockService::Shutdown() {
   if (shut_down_)
     return;
   shut_down_ = true;
@@ skipping 243 matching lines @@
 
   // TODO(tbarzic): Set check_private_key only if previous sign-in attempt
   // failed.
   EasyUnlockTpmKeyManagerFactory::GetInstance()->Get(profile_)
       ->PrepareTpmKey(true /* check_private_key */,
                       base::Closure());
 #endif  // defined(OS_CHROMEOS)
 
   tpm_key_checked_ = true;
 }