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

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappInfo.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.net.Uri;
 import android.util.Log;
@@ skipping 237 matching lines @@
         intent.putExtra(ShortcutHelper.EXTRA_ICON, encodedIcon());
         intent.putExtra(ShortcutHelper.EXTRA_VERSION, ShortcutHelper.WEBAPP_SHORTCUT_VERSION);
         intent.putExtra(ShortcutHelper.EXTRA_NAME, name());
         intent.putExtra(ShortcutHelper.EXTRA_SHORT_NAME, shortName());
         intent.putExtra(ShortcutHelper.EXTRA_ORIENTATION, orientation());
         intent.putExtra(ShortcutHelper.EXTRA_SOURCE, source());
         intent.putExtra(ShortcutHelper.EXTRA_THEME_COLOR, themeColor());
         intent.putExtra(ShortcutHelper.EXTRA_BACKGROUND_COLOR, backgroundColor());
         intent.putExtra(ShortcutHelper.EXTRA_IS_ICON_GENERATED, isIconGenerated());
     }
+
+    /**
+     * Returns true if the WebappInfo was created for an Intent fired from a launcher shortcut (as
+     * opposed to an intent from a push notification or other internal source).
+     */
+    public boolean isLaunchedFromHomescreen() {
+        return source() != ShortcutSource.NOTIFICATION;
+    }
 }