[Crash Reporting] Only upload Chrome crash reports over unmetered networks.

components/minidump_uploader/android/java/src/org/chromium/components/minidump_uploader/MinidumpUploadJobService.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 android.annotation.TargetApi;
 import android.app.job.JobInfo;
 import android.app.job.JobParameters;
 import android.app.job.JobScheduler;
 import android.app.job.JobService;
@@ skipping 32 matching lines @@
      * @param context The application context, in which to schedule the crash report uploads.
      * @param jobInfoBuilder A job info builder that has been initialized with any embedder-specific
      *     requriements. This builder will be extended to include shared requirements, and then used
      *     to build an upload job for scheduling.
      */
     public static void scheduleUpload(Context context, JobInfo.Builder jobInfoBuilder) {
         Log.i(TAG, "Scheduling upload of all pending minidumps.");
         JobScheduler scheduler =
                 (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);
         JobInfo uploadJob =
-                jobInfoBuilder
+                jobInfoBuilder.setRequiredNetworkType(JobInfo.NETWORK_TYPE_UNMETERED)
                         .setBackoffCriteria(JOB_INITIAL_BACKOFF_TIME_IN_MS, JOB_BACKOFF_POLICY)
                         .build();
         int result = scheduler.schedule(uploadJob);
         assert result == JobScheduler.RESULT_SUCCESS;
     }
 
     @Override
     public boolean onStartJob(JobParameters params) {
         // Ensure we only run one job at a time.
         synchronized (mRunningLock) {
@@ skipping 36 matching lines @@
             }
         };
     }
 
     /**
      * @param extras Any extra data persisted for this job.
      * @return The minidump uploader that jobs should use.
      */
     protected abstract MinidumpUploader createMinidumpUploader(PersistableBundle extras);
 }