This CL replaces user_manager::UserID with AccountId.

chrome/browser/chromeos/power/extension_event_observer_unittest.cc

 // Copyright 2015 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/chromeos/power/extension_event_observer.h"
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 50 matching lines @@
   // ::testing::Test overrides.
   void SetUp() override {
     ::testing::Test::SetUp();
 
     gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, test_screen_.get());
 
     // Must be called from ::testing::Test::SetUp.
     ASSERT_TRUE(profile_manager_->SetUp());
 
     const char kUserProfile[] = "profile1@example.com";
-    fake_user_manager_->AddUser(kUserProfile);
-    fake_user_manager_->LoginUser(kUserProfile);
-    profile_ = profile_manager_->CreateTestingProfile(kUserProfile);
+    const AccountId account_id(AccountId::FromUserEmail(kUserProfile));
+    fake_user_manager_->AddUser(account_id);
+    fake_user_manager_->LoginUser(account_id);
+    profile_ =
+        profile_manager_->CreateTestingProfile(account_id.GetUserEmail());
 
     profile_manager_->SetLoggedIn(true);
   }
   void TearDown() override {
     profile_ = NULL;
     profile_manager_->DeleteAllTestingProfiles();
     gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, nullptr);
     ::testing::Test::TearDown();
   }
 
@@ skipping 233 matching lines @@
   EXPECT_FALSE(test_api_->MaybeRunSuspendReadinessCallback());
   EXPECT_EQ(0, power_manager_client_->GetNumPendingSuspendReadinessCallbacks());
 
   // Test that the ExtensionEventObserver does not delay suspend attempts when
   // it is disabled.
   power_manager_client_->SendDarkSuspendImminent();
   EXPECT_EQ(0, power_manager_client_->GetNumPendingSuspendReadinessCallbacks());
 }
 
 }  // namespace chromeos