Revert of Removes usage of native base::android::GetApplicationContext()

webrtc/base/java/src/org/webrtc/ContextUtils.java

Index: webrtc/base/java/src/org/webrtc/ContextUtils.java
diff --git a/webrtc/base/java/src/org/webrtc/ContextUtils.java b/webrtc/base/java/src/org/webrtc/ContextUtils.java
deleted file mode 100644
index 3b9a652fedde5847a75a031fc781bdc821232376..0000000000000000000000000000000000000000
--- a/webrtc/base/java/src/org/webrtc/ContextUtils.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-package org.webrtc;
-
-import android.content.Context;
-
-/**
- * Class for storing the application context and retrieving it in a static context. Similar to
- * org.chromium.base.ContextUtils.
- */
-public class ContextUtils {
-  private static Context applicationContext;
-
-  /**
-   * Stores the application context that will be returned by getApplicationContext. This is called
-   * by PeerConnectionFactory.initializeAndroidGlobals.
-   */
-  public static void initialize(Context applicationContext) {
-    if (ContextUtils.applicationContext != null) {
-      throw new RuntimeException("Multiple ContextUtils.initialize calls.");
-    }
-    if (applicationContext == null) {
-      throw new RuntimeException("Application context cannot be null for ContextUtils.initialize.");
-    }
-    ContextUtils.applicationContext = applicationContext;
-  }
-
-  /**
-   * Returns the stored application context.
-   */
-  public static Context getApplicationContext() {
-    return applicationContext;
-  }
-}