Refactor WebApkServiceConnectionManager.

chrome/android/webapk/libs/common/src/org/chromium/webapk/lib/common/WebApkHelper.java

Index: chrome/android/webapk/libs/common/src/org/chromium/webapk/lib/common/WebApkHelper.java
diff --git a/chrome/android/webapk/libs/common/src/org/chromium/webapk/lib/common/WebApkHelper.java b/chrome/android/webapk/libs/common/src/org/chromium/webapk/lib/common/WebApkHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..a75ccb41f96c8a64d90758b7636e655532786fc1
--- /dev/null
+++ b/chrome/android/webapk/libs/common/src/org/chromium/webapk/lib/common/WebApkHelper.java
@@ -0,0 +1,25 @@
+// Copyright 2017 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.lib.common;
+
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+
+/**
+ * Contains utility methods that can be used by both Chrome and WebAPKs.
+ */
+public class WebApkHelper {
+    /** Returns the <meta-data> in the Android Manifest of the given package name. */
+    public static Bundle readMetaData(PackageManager packageManager, String packageName) {
+        ApplicationInfo ai = null;
+        try {
+            ai = packageManager.getApplicationInfo(packageName, PackageManager.GET_META_DATA);
+        } catch (PackageManager.NameNotFoundException e) {
+            return null;
+        }
+        return ai.metaData;
+    }
+}