Upstream: Launch WebApkActivity from WebAPK.

chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java

 // Copyright 2013 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;
 
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ skipping 53 matching lines @@
     public static final String EXTRA_SOURCE = "org.chromium.chrome.browser.webapp_source";
     public static final String EXTRA_THEME_COLOR = "org.chromium.chrome.browser.theme_color";
     public static final String EXTRA_BACKGROUND_COLOR =
             "org.chromium.chrome.browser.background_color";
     public static final String EXTRA_IS_ICON_GENERATED =
             "org.chromium.chrome.browser.is_icon_generated";
     public static final String EXTRA_VERSION =
             "org.chromium.chrome.browser.webapp_shortcut_version";
     public static final String REUSE_URL_MATCHING_TAB_ELSE_NEW_TAB =
             "REUSE_URL_MATCHING_TAB_ELSE_NEW_TAB";
+    public static final String EXTRA_WEBAPK_PACKAGE_NAME =
+            "org.chromium.chrome.browser.webapp_webapk_package_name";

[pkotwicz, 2016/05/18 23:00:17]

How about: org.chromium.chrome.browser.webapk_package_name

It looks like several other extras do not use the webapp prefix

[Xi Han, 2016/05/19 18:31:49]

Done.

 
     // When a new field is added to the intent, this version should be incremented so that it will
     // be correctly populated into the WebappRegistry/WebappDataStorage.
     public static final int WEBAPP_SHORTCUT_VERSION = 1;
 
     // This value is equal to kInvalidOrMissingColor in the C++ content::Manifest struct.
     public static final long MANIFEST_COLOR_INVALID_OR_MISSING = ((long) Integer.MAX_VALUE) + 1;
 
     private static final String TAG = "ShortcutHelper";
 
@@ skipping 465 matching lines @@
         if (drawable instanceof BitmapDrawable) {
             BitmapDrawable bd = (BitmapDrawable) drawable;
             return bd.getBitmap();
         }
         assert false : "The drawable was not a bitmap drawable as expected";
         return null;
     }
 
     private static native void nativeOnWebappDataStored(long callbackPointer);
 }