[EasyUnlock] Observe proximity changes and clean up TX power strategy.

chrome/browser/signin/easy_unlock_screenlock_state_handler_unittest.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_screenlock_state_handler.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
@@ skipping 680 matching lines @@
   std::vector<ScreenlockState> states;
   states.push_back(ScreenlockState::NO_BLUETOOTH);
   states.push_back(ScreenlockState::NO_PHONE);
   states.push_back(ScreenlockState::PHONE_UNSUPPORTED);
   states.push_back(ScreenlockState::PHONE_NOT_LOCKABLE);
   states.push_back(ScreenlockState::PHONE_NOT_AUTHENTICATED);
   states.push_back(ScreenlockState::PHONE_LOCKED);
   states.push_back(ScreenlockState::PHONE_NOT_LOCKABLE);
   states.push_back(ScreenlockState::PHONE_UNSUPPORTED);
   states.push_back(ScreenlockState::RSSI_TOO_LOW);
-  states.push_back(ScreenlockState::TX_POWER_TOO_HIGH);
+  states.push_back(ScreenlockState::PHONE_LOCKED_AND_RSSI_TOO_LOW);
   states.push_back(ScreenlockState::AUTHENTICATED);
 
   for (size_t i = 0; i < states.size(); ++i) {
     state_handler_->ChangeState(states[i]);
     EXPECT_EQ(proximity_auth::ScreenlockBridge::LockHandler::ONLINE_SIGN_IN,
               lock_handler_->GetAuthType(account_id_));
     EXPECT_FALSE(lock_handler_->HasCustomIcon());
   }
 
   std::vector<EasyUnlockScreenlockStateHandler::HardlockState> hardlock_states;
@@ skipping 28 matching lines @@
   state_handler_->RecordClickOnLockIcon();
   histogram_tester.ExpectTotalCount("EasyUnlock.TrialRun.Events", 4);
   histogram_tester.ExpectBucketCount("EasyUnlock.TrialRun.Events",
                                      EASY_UNLOCK_TRIAL_RUN_EVENT_LAUNCHED, 1);
   histogram_tester.ExpectBucketCount(
       "EasyUnlock.TrialRun.Events",
       EASY_UNLOCK_TRIAL_RUN_EVENT_CLICKED_LOCK_ICON, 3);
 }
 
 }  // namespace