Makes WebAPK handle NOTIFICATION_PREFERENCES intents

chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/MainActivity.java

Index: chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/MainActivity.java
diff --git a/chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/MainActivity.java b/chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/MainActivity.java
index 2293a9f0a3b98e6d24e9eaf7fc5128c46bce1214..dd95821314cec99b118cb37621301f620a329167 100644
--- a/chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/MainActivity.java
+++ b/chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/MainActivity.java
@@ -7,9 +7,6 @@ package org.chromium.webapk.shell_apk;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.PackageManager.NameNotFoundException;
 import android.net.Uri;
 import android.os.Bundle;
 import android.util.Log;
@@ -107,13 +104,7 @@ public class MainActivity extends Activity {
             return overrideUrl;
         }
 
-        ApplicationInfo appInfo;
-        try {
-            appInfo = getPackageManager().getApplicationInfo(
-                    getPackageName(), PackageManager.GET_META_DATA);
-        } catch (NameNotFoundException e) {
-            return null;
-        }
-        return appInfo.metaData.getString(META_DATA_START_URL);
+        Bundle metaData = WebApkUtils.getMetaDataBundle(this);
+        return (metaData == null) ? null : metaData.getString(META_DATA_START_URL);
     }
 }