Revert of 🔍 Don't display the search engine until First Run completes

chrome/android/javatests/src/org/chromium/chrome/browser/firstrun/FirstRunActivityTestObserver.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/firstrun/FirstRunActivityTestObserver.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/firstrun/FirstRunActivityTestObserver.java b/chrome/android/javatests/src/org/chromium/chrome/browser/firstrun/FirstRunActivityTestObserver.java
deleted file mode 100644
index bed844d78776f5ab2e4bb4480234f19a426f374a..0000000000000000000000000000000000000000
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/firstrun/FirstRunActivityTestObserver.java
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright 2017 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.
-
-package org.chromium.chrome.browser.firstrun;
-
-import org.chromium.base.test.util.CallbackHelper;
-
-/** Records when the FirstRunActivity has progressed through various states. */
-public class FirstRunActivityTestObserver implements FirstRunActivity.FirstRunActivityObserver {
-    public final CallbackHelper flowIsKnownCallback = new CallbackHelper();
-    public final CallbackHelper acceptTermsOfServiceCallback = new CallbackHelper();
-    public final CallbackHelper jumpToPageCallback = new CallbackHelper();
-    public final CallbackHelper updateCachedEngineCallback = new CallbackHelper();
-    public final CallbackHelper abortFirstRunExperienceCallback = new CallbackHelper();
-
-    @Override
-    public void onFlowIsKnown() {
-        flowIsKnownCallback.notifyCalled();
-    }
-
-    @Override
-    public void onAcceptTermsOfService() {
-        acceptTermsOfServiceCallback.notifyCalled();
-    }
-
-    @Override
-    public void onJumpToPage(int position) {
-        jumpToPageCallback.notifyCalled();
-    }
-
-    @Override
-    public void onUpdateCachedEngineName() {
-        updateCachedEngineCallback.notifyCalled();
-    }
-
-    @Override
-    public void onAbortFirstRunExperience() {
-        abortFirstRunExperienceCallback.notifyCalled();
-    }
-}