Revert of Android: Remove GetApplicationContext part 2

chrome/android/java/src/org/chromium/chrome/browser/media/router/ChromeMediaRouterDialogController.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.chrome.browser.media.router;
 
+import android.content.Context;
 import android.support.v7.app.MediaRouteChooserDialogFragment;
 import android.support.v7.app.MediaRouteControllerDialogFragment;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.chrome.browser.media.router.cast.MediaSink;
 import org.chromium.chrome.browser.media.router.cast.MediaSource;
 
 /**
  * Implements the JNI interface called from the C++ Media Router dialog controller implementation
  * on Android.
  */
 @JNINamespace("media_router")
 public class ChromeMediaRouterDialogController implements MediaRouteDialogDelegate {
 
     private static final String MEDIA_ROUTE_CONTROLLER_DIALOG_FRAGMENT =
             "android.support.v7.mediarouter:MediaRouteControllerDialogFragment";
 
     private final long mNativeDialogController;
+    private final Context mApplicationContext;
     private MediaRouteDialogManager mDialogManager;
 
     /**
      * Returns a new initialized {@link ChromeMediaRouterDialogController}.
      * @param nativeDialogController the handle of the native object.
+     * @param context the application context.
      * @return a new dialog controller to use from the native side.
      */
     @CalledByNative
-    public static ChromeMediaRouterDialogController create(long nativeDialogController) {
-        return new ChromeMediaRouterDialogController(nativeDialogController);
+    public static ChromeMediaRouterDialogController create(
+            long nativeDialogController, Context context) {
+        return new ChromeMediaRouterDialogController(nativeDialogController, context);
     }
 
     /**
      * Shows the {@link MediaRouteChooserDialogFragment} if it's not shown yet.
      * @param sourceUrn the URN identifying the media source to filter the devices with.
      */
     @CalledByNative
     public void openRouteChooserDialog(String sourceUrn) {
         if (isShowingDialog()) return;
 
         MediaSource source = MediaSource.from(sourceUrn);
         if (source == null) return;
 
-        mDialogManager = new MediaRouteChooserDialogManager(source, this);
+        mDialogManager = new MediaRouteChooserDialogManager(source, mApplicationContext, this);
         mDialogManager.openDialog();
     }
 
     /**
      * Shows the {@link MediaRouteControllerDialogFragment} if it's not shown yet.
      * @param sourceUrn the URN identifying the media source of the current media route.
      * @param mediaRouteId the identifier of the route to be controlled.
      */
     @CalledByNative
     public void openRouteControllerDialog(String sourceUrn, String mediaRouteId) {
         if (isShowingDialog()) return;
 
         MediaSource source = MediaSource.from(sourceUrn);
         if (source == null) return;
 
-        mDialogManager = new MediaRouteControllerDialogManager(source, mediaRouteId, this);
+        mDialogManager = new MediaRouteControllerDialogManager(
+                source, mediaRouteId, mApplicationContext, this);
         mDialogManager.openDialog();
     }
 
     /**
      * Closes the currently open dialog if it's open.
      */
     @CalledByNative
     public void closeDialog() {
         if (!isShowingDialog()) return;
 
@@ skipping 26 matching lines @@
         // For MediaRouteControllerDialog this method will be called in case the route is closed
         // since it only call onDismiss() and there's no way to distinguish between the two.
         // Here we can figure it out: if mDialogManager is null, onRouteClosed() was called and
         // there's no need to tell the native controller the dialog has been cancelled.
         if (mDialogManager == null) return;
 
         mDialogManager = null;
         nativeOnDialogCancelled(mNativeDialogController);
     }
 
-    private ChromeMediaRouterDialogController(long nativeDialogController) {
+    private ChromeMediaRouterDialogController(long nativeDialogController, Context context) {
         mNativeDialogController = nativeDialogController;
+        mApplicationContext = context;
     }
 
     native void nativeOnDialogCancelled(long nativeMediaRouterDialogControllerAndroid);
     native void nativeOnSinkSelected(
             long nativeMediaRouterDialogControllerAndroid, String sinkId);
     native void nativeOnRouteClosed(long nativeMediaRouterDialogControllerAndroid, String routeId);
 }