[Android WebAPKs] Don't navigate WebAPK when launching it from launcher

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.text.TextUtils;
@@ skipping 176 matching lines @@
     }
 
     public String id() {
         return mId;
     }
 
     public Uri uri() {
         return mUri;
     }
 
+    /**
+     * Whether the webapp should be navigated to {@link uri()} if the webapp is already open when
+     * Chrome receives a ACTION_START_WEBAPP intent.
+     */
+    public boolean shouldNavigateIfAlreadyRunning() {

[dominickn, 2017/03/21 02:09:33]

shouldForceNavigation()

+        return false;
+    }
+
     public Uri scopeUri() {
         return mScopeUri;
     }
 
     public String name() {
         return mName;
     }
 
     public String shortName() {
         return mShortName;
@@ skipping 98 matching lines @@
     }
 
     /**
      * 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;
     }
 }