Remove unnecessary "mac" meta data tag from Android Manifest

chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/MainActivity.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.webapk.shell_apk;
 
 import android.app.Activity;
 import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
@@ skipping 12 matching lines @@
 /**
  * WebAPK's main Activity.
  */
 public class MainActivity extends Activity {
     // These EXTRA_* values must stay in sync with
     // {@link org.chromium.chrome.browser.ShortcutHelper}.
     private static final String EXTRA_ID = "org.chromium.chrome.browser.webapp_id";
     private static final String EXTRA_ICON = "org.chromium.chrome.browser.webapp_icon";
     private static final String EXTRA_NAME = "org.chromium.chrome.browser.webapp_name";
     private static final String EXTRA_URL = "org.chromium.chrome.browser.webapp_url";
-    private static final String EXTRA_MAC = "org.chromium.chrome.browser.webapp_mac";
     private static final String EXTRA_WEBAPK_PACKAGE_NAME =
             "org.chromium.chrome.browser.webapk_package_name";
 
     private static final String META_DATA_HOST_URL = "hostUrl";
-    private static final String META_DATA_MAC = "mac";
     private static final String META_DATA_RUNTIME_HOST = "runtimeHost";
 
     private static final String TAG = "cr_MainActivity";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         String packageName = getPackageName();
         String webappId = null;
-        String mac = null;
         String name = null;
         String url = null;
         String encodedIcon = null;
         String runtimeHost = null;
         try {
             ApplicationInfo appInfo = getPackageManager().getApplicationInfo(
                     packageName, PackageManager.GET_META_DATA);
             Bundle bundle = appInfo.metaData;
             url = bundle.getString(META_DATA_HOST_URL);
 
             String overrideUrl = getIntent().getDataString();
             // TODO(pkotwicz): Use same logic as {@code IntentHandler#shouldIgnoreIntent()}
             if (overrideUrl != null && overrideUrl.startsWith("https:")) {
                 url = overrideUrl;
             }
 
             webappId = WebApkConstants.WEBAPK_ID_PREFIX + packageName;
-            mac = bundle.getString(META_DATA_MAC);
             runtimeHost = bundle.getString(META_DATA_RUNTIME_HOST);
             name = (String) getPackageManager().getApplicationLabel(appInfo);
             // TODO(hanxi): find a neat solution to avoid encode/decode each time launch the
             // activity.
             Bitmap icon = BitmapFactory.decodeResource(getResources(), R.drawable.app_icon);
             encodedIcon = encodeBitmapAsString(icon);
             Log.w(TAG, "Url of the WebAPK: " + url);
             Log.w(TAG, "WebappId of the WebAPK: " + webappId);
             Log.w(TAG, "Name of the WebAPK:" + name);
             Log.w(TAG, "Package name of the WebAPK:" + packageName);
 
             Intent newIntent = new Intent();
             newIntent.setComponent(new ComponentName(runtimeHost,
                     "org.chromium.chrome.browser.webapps.WebappLauncherActivity"));
             newIntent.putExtra(EXTRA_ID, webappId)
                      .putExtra(EXTRA_NAME, name)
                      .putExtra(EXTRA_URL, url)
-                     .putExtra(EXTRA_MAC, mac)
                      .putExtra(EXTRA_ICON, encodedIcon)
                      .putExtra(EXTRA_WEBAPK_PACKAGE_NAME, packageName);
             startActivity(newIntent);
             finish();
         } catch (NameNotFoundException e) {
             e.printStackTrace();
         }
     }
 
     /**
      * Compresses a bitmap into a PNG and converts into a Base64 encoded string.
      * The encoded string can be decoded using {@link decodeBitmapFromString(String)}.
      * @param bitmap The Bitmap to compress and encode.
      * @return the String encoding the Bitmap.
      */
     private static String encodeBitmapAsString(Bitmap bitmap) {
         if (bitmap == null) return "";
         ByteArrayOutputStream output = new ByteArrayOutputStream();
         bitmap.compress(Bitmap.CompressFormat.PNG, 100, output);
         return Base64.encodeToString(output.toByteArray(), Base64.DEFAULT);
     }
 }