Move DownloadControllerAndroid from content/ to chrome/

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;
 
 import org.chromium.base.ApplicationStatus;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.snackbar.Snackbar;
 import org.chromium.chrome.browser.snackbar.SnackbarManager;
-import org.chromium.content.browser.DownloadInfo;
 
 /**
  * Class for displaying a snackbar when a download completes.
  */
 public class DownloadSnackbarController implements SnackbarManager.SnackbarController {
     public static final int INVALID_NOTIFICATION_ID = -1;
     private static final int SNACKBAR_DURATION_IN_MILLISECONDS = 5000;
     private final Context mContext;
 
     private static class ActionDataInfo {
@@ skipping 84 matching lines @@
 
     public SnackbarManager getSnackbarManager() {
         Activity activity = ApplicationStatus.getLastTrackedFocusedActivity();
         if (activity != null && ApplicationStatus.hasVisibleActivities()
                 && activity instanceof SnackbarManager.SnackbarManageable) {
             return ((SnackbarManager.SnackbarManageable) activity).getSnackbarManager();
         }
         return null;
     }
 }