Enable deep-linking from notifications for recently used web apps on the Android home screen.

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

 // 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 android.app.Activity;
 import android.content.Intent;
 import android.net.Uri;
 import android.text.TextUtils;
 
+import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.ApplicationStatus;
 import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.TabState;
 import org.chromium.chrome.browser.UrlConstants;
 import org.chromium.chrome.browser.document.ChromeLauncherActivity;
 import org.chromium.chrome.browser.document.DocumentMetricIds;
 import org.chromium.chrome.browser.multiwindow.MultiWindowUtils;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tab.TabIdManager;
 import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager;
@@ skipping 163 matching lines @@
         }
 
         if (asyncParams.getRequestId() != null) {
             intent.putExtra(ServiceTabLauncher.LAUNCH_REQUEST_ID_EXTRA,
                     asyncParams.getRequestId().intValue());
         }
 
         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         return intent;
     }
-}
+
+    /**
+     * Passes the supplied web app launch intent to the IntentHandler.
+     * @param intent Web app launch intent.
+     */
+    public void createNewStandaloneFrame(Intent intent) {
+        assert intent != null;
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                | ApiCompatibilityUtils.getActivityNewDocumentFlag());
+        IntentHandler.startActivityForTrustedIntent(intent,
+                ApplicationStatus.getApplicationContext());
+    }
+}