Android: Remove GetApplicationContext part 1

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadSnackbarController.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.download;
 
 import android.app.Activity;
 import android.app.NotificationManager;
 import android.content.Context;
 
@@ skipping 33 matching lines @@
     public void onAction(Object actionData) {
         if (!(actionData instanceof ActionDataInfo)) {
             DownloadManagerService.openDownloadsPage(mContext);
             return;
         }
         final ActionDataInfo download = (ActionDataInfo) actionData;
         if (download.downloadInfo.isOfflinePage()) {
             OfflinePageDownloadBridge.openDownloadedPage(download.downloadInfo.getContentId());
             return;
         }
-        DownloadManagerService manager = DownloadManagerService.getDownloadManagerService(mContext);
+        DownloadManagerService manager = DownloadManagerService.getDownloadManagerService();
         manager.openDownloadedContent(download.downloadInfo, download.systemDownloadId);
         if (download.notificationId != INVALID_NOTIFICATION_ID) {
             NotificationManager notificationManager =
                     (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
             notificationManager.cancel(
                     DownloadNotificationService.NOTIFICATION_NAMESPACE, download.notificationId);
         }
     }
 
     @Override
     public void onDismissNoAction(Object actionData) {
     }
 
     /**
      * Called to display the download succeeded snackbar.
      *
      * @param downloadInfo Info of the download.
      * @param notificationId Notification Id of the successful download.
      * @param downloadId Id of the download from Android DownloadManager.
      * @param canBeResolved Whether the download can be resolved to any activity.
      */
     public void onDownloadSucceeded(
             DownloadInfo downloadInfo, int notificationId, long downloadId, boolean canBeResolved) {
         if (getSnackbarManager() == null) return;
         Snackbar snackbar;
         if (getActivity() instanceof CustomTabActivity) {
-            String packageLabel = BuildInfo.getPackageLabel(getActivity());
+            String packageLabel = BuildInfo.getPackageLabel();
             snackbar = Snackbar.make(mContext.getString(R.string.download_succeeded_message,
                     downloadInfo.getFileName(), packageLabel),
                     this, Snackbar.TYPE_NOTIFICATION, Snackbar.UMA_DOWNLOAD_SUCCEEDED);
         } else {
             snackbar = Snackbar.make(mContext.getString(R.string.download_succeeded_message_default,
                     downloadInfo.getFileName()),
                     this, Snackbar.TYPE_NOTIFICATION, Snackbar.UMA_DOWNLOAD_SUCCEEDED);
         }
         // TODO(qinmin): Coalesce snackbars if multiple downloads finish at the same time.
         snackbar.setDuration(SNACKBAR_DURATION_IN_MILLISECONDS).setSingleLine(false);
@@ skipping 38 matching lines @@
     }
 
     public SnackbarManager getSnackbarManager() {
         Activity activity = getActivity();
         if (activity != null && activity instanceof SnackbarManager.SnackbarManageable) {
             return ((SnackbarManager.SnackbarManageable) activity).getSnackbarManager();
         }
         return null;
     }
 }