Parallel download browser test.

content/browser/download/parallel_download_utils.cc

 // Copyright 2017 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.
 
 #include "content/browser/download/parallel_download_utils.h"
 
 #include "base/metrics/field_trial_params.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/time/time.h"
 #include "content/public/browser/download_save_info.h"
 #include "content/public/common/content_features.h"
 
 namespace content {
 
 namespace {
 
-// Finch parameter key value for minimum slice size in bytes to use parallel
-// download.
-const char kMinSliceSizeFinchKey[] = "min_slice_size";
-
 // Default value for |kMinSliceSizeFinchKey|, when no parameter is specified.
 const int64_t kMinSliceSizeParallelDownload = 2097152;
 
-// Finch parameter key value for number of parallel requests in a parallel
-// download, including the original request.
-const char kParallelRequestCountFinchKey[] = "request_count";
-
 // Default value for |kParallelRequestCountFinchKey|, when no parameter is
 // specified.
 const int kParallelRequestCount = 2;
 
-// Finch parameter key value for the delay time in milliseconds to send
-// parallel requests after response of the original request is handled.
-const char kParallelRequestDelayFinchKey[] = "parallel_request_delay";
-
-// Finch parameter key value for the remaining time in seconds that is required
-// to send parallel requests.
-const char kParallelRequestRemainingTimeFinchKey[] =
-    "parallel_request_remaining_time";
-
 // The default remaining download time in seconds required for parallel request
 // creation.
 const int kDefaultRemainingTimeInSeconds = 10;
 
 // TODO(qinmin): replace this with a comparator operator in
 // DownloadItem::ReceivedSlice.
 bool compareReceivedSlices(const DownloadItem::ReceivedSlice& lhs,
                            const DownloadItem::ReceivedSlice& rhs) {
   return lhs.offset < rhs.offset;
 }
@@ skipping 123 matching lines @@
 
   int64_t size = 0;
   while (iter != slices.end() && iter->offset == size) {
     size += iter->received_bytes;
     iter++;
   }
   return size;
 }
 
 }  // namespace content