[Android Crash Reporting] Allow uploading minidumps via the JobScheduler

components/minidump_uploader/android/java/src/org/chromium/components/minidump_uploader/MinidumpUploaderDelegate.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.components.minidump_uploader;
 
 import org.chromium.components.minidump_uploader.util.CrashReportingPermissionManager;
 
 import java.io.File;
 
 /**
  * Interface for embedder-specific implementations for uploading minidumps.
  */
 public interface MinidumpUploaderDelegate {
     /**
-     * Creates the directory in which the embedder will store its minidumps.
-     * @return A reference to the created directory, or null if the creation failed.
+     * Returns the application context's cache directory, in which the embedder will store its
+     * minidumps.
+     * @return A reference to the cache directory, or null if the directory did not exist and
+     *     creation failed.
      */
-    File createCrashDir();
+    File getCacheDir();
 
     /**
      * Creates the permission manager used to evaluate whether uploading should be allowed.
      * @return The permission manager.
      */
     CrashReportingPermissionManager createCrashReportingPermissionManager();
 
     /**
      * Performs any pre-work necessary for uploading minidumps, then calls the {@param startUploads}
      * continuation to initiate uploading the minidumps.
      * @param startUploads The continuation to call once any necessary pre-work is completed.
      */
     void prepareToUploadMinidumps(Runnable startUploads);
 }