Revert of Android: Remove GetApplicationContext part 2

chrome/android/javatests/src/org/chromium/chrome/browser/media/router/MockMediaRouteProvider.java

 // Copyright 2016 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.media.router;
 
+import android.content.Context;
+
 import org.chromium.base.Log;
 import org.chromium.base.ThreadUtils;
 import org.chromium.chrome.browser.media.router.cast.MediaSink;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 
 /**
  * Mocked {@link MediaRouteProvider}.
  */
 public class MockMediaRouteProvider implements MediaRouteProvider {
     private static final String TAG = "MediaRouter";
 
     private static final String SINK_ID1 = "test_sink_id_1";
     private static final String SINK_ID2 = "test_sink_id_2";
     private static final String SINK_NAME1 = "test-sink-1";
     private static final String SINK_NAME2 = "test-sink-2";
 
+    private Context mApplicationContext;
     private MediaRouteManager mManager;
 
     private final Map<String, MediaRoute> mRoutes = new HashMap<String, MediaRoute>();
     private final Map<String, MediaRoute> mPresentationIdToRoute =
             new HashMap<String, MediaRoute>();
 
     private int mSinksObservedDelayMillis = 0;
     private int mCreateRouteDelayMillis = 0;
     private boolean mIsSupportsSource = true;
     private String mCreateRouteErrorMessage = null;
     private String mJoinRouteErrorMessage = null;
     private boolean mCloseRouteWithErrorOnSend = false;
 
     /**
      * Builder for {@link MockMediaRouteProvider}.
      */
     public static class Builder implements MediaRouteProvider.Builder {
         public static final MockMediaRouteProvider sProvider = new MockMediaRouteProvider();
 
         @Override
-        public MediaRouteProvider create(MediaRouteManager manager) {
+        public MediaRouteProvider create(Context applicationContext, MediaRouteManager manager) {
+            sProvider.mApplicationContext = applicationContext;
             sProvider.mManager = manager;
             return sProvider;
         }
     }
 
     private MockMediaRouteProvider() {}
 
     public void setCreateRouteDelayMillis(int delayMillis) {
         assert delayMillis >= 0;
         mCreateRouteDelayMillis = delayMillis;
@@ skipping 113 matching lines @@
 
     @Override
     public void sendStringMessage(String routeId, String message, int nativeCallbackId) {
         if (mCloseRouteWithErrorOnSend) {
             mManager.onRouteClosedWithError(routeId, "Sending message failed. Closing the route.");
         } else {
             mManager.onMessage(routeId, "Pong: " + message);
         }
     }
 }