Remove references to OffTheRecord in tabmodel

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/OffTheRecordDocumentTabModel.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/OffTheRecordDocumentTabModel.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/OffTheRecordDocumentTabModel.java b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/OffTheRecordDocumentTabModel.java
deleted file mode 100644
index 4056579d4b0acd3b440300fa02dcf034e8b4b052..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/OffTheRecordDocumentTabModel.java
+++ /dev/null
@@ -1,54 +0,0 @@
-// 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.
-
-package org.chromium.chrome.browser.tabmodel.document;
-
-import org.chromium.base.VisibleForTesting;
-import org.chromium.chrome.browser.incognito.IncognitoNotificationManager;
-import org.chromium.chrome.browser.tabmodel.EmptyTabModel;
-import org.chromium.chrome.browser.tabmodel.IncognitoTabModel;
-import org.chromium.chrome.browser.tabmodel.TabModel;
-
-/**
- * Implements an Incognito version of the DocumentTabModel.  Timing is a little bit different for
- * profile deletion because we don't get all the signals we'd expect when Tabs are closed.  More
- * specifically, Android doesn't fire signals when tasks are swiped away from the Recents menu if
- * the Activity is dead when it occurs.
- */
-public class OffTheRecordDocumentTabModel extends IncognitoTabModel implements DocumentTabModel {
-    private final ActivityDelegate mActivityDelegate;
-
-    public OffTheRecordDocumentTabModel(IncognitoTabModelDelegate offTheRecordDelegate,
-            ActivityDelegate delegate) {
-        super(offTheRecordDelegate);
-        mActivityDelegate = delegate;
-        if (delegate.getTasksFromRecents(true).size() > 0) {
-            ensureTabModelImpl();
-        }
-    }
-
-    @VisibleForTesting
-    public boolean isDocumentTabModelImplCreated() {
-        return !(getDelegateModel() instanceof EmptyTabModel);
-    }
-
-    @Override
-    protected void destroyIncognitoIfNecessary() {
-        super.destroyIncognitoIfNecessary();
-        if (!mActivityDelegate.isIncognitoDocumentAccessibleToUser()) {
-            IncognitoNotificationManager.dismissIncognitoNotification();
-        }
-    }
-
-    private DocumentTabModel getDelegateDocumentTabModel() {
-        TabModel delegate = getDelegateModel();
-        return isDocumentTabModelImplCreated() ? (DocumentTabModel) delegate : null;
-    }
-
-    @Override
-    public String getInitialUrlForDocument(int tabId) {
-        if (!isDocumentTabModelImplCreated()) return null;
-        return getDelegateDocumentTabModel().getInitialUrlForDocument(tabId);
-    }
-}