Redirects _blank and window.open() off-origin navigation from PWA to CCT.

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappActivity.java

 // 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.
 
 package org.chromium.chrome.browser.webapps;
 
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
@@ skipping 21 matching lines @@
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.TabState;
 import org.chromium.chrome.browser.document.DocumentUtils;
 import org.chromium.chrome.browser.fullscreen.ChromeFullscreenManager;
 import org.chromium.chrome.browser.metrics.WebappUma;
 import org.chromium.chrome.browser.tab.EmptyTabObserver;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tab.TabDelegateFactory;
 import org.chromium.chrome.browser.tab.TabObserver;
+import org.chromium.chrome.browser.tabmodel.document.TabDelegate;
 import org.chromium.chrome.browser.util.ColorUtils;
 import org.chromium.chrome.browser.util.UrlUtilities;
 import org.chromium.content.browser.ScreenOrientationProvider;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.net.NetworkChangeNotifier;
 import org.chromium.ui.base.PageTransition;
 
 import java.io.File;
 import java.util.concurrent.TimeUnit;
 
@@ skipping 655 matching lines @@
     @Override
     protected Drawable getBackgroundDrawable() {
         return null;
     }
 
     @Override
     protected TabDelegateFactory createTabDelegateFactory() {
         return new WebappDelegateFactory(this);
     }
 
+    @Override
+    protected TabDelegate createTabDelegate(boolean incognito) {
+        return new WebappTabDelegate(this, incognito);
+    }
+
     // We're temporarily disable CS on webapp since there are some issues. (http://crbug.com/471950)
     // TODO(changwan): re-enable it once the issues are resolved.
     @Override
     protected boolean isContextualSearchAllowed() {
         return false;
     }
 }