Logging the NTP snippets request when verbose.

components/ntp_snippets/ntp_snippets_fetcher.cc

 // 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.
 
 #include "components/ntp_snippets/ntp_snippets_fetcher.h"
 
 #include <stdlib.h>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 237 matching lines @@
 
   data_use_measurement::DataUseUserData::AttachToFetcher(
       url_fetcher_.get(), data_use_measurement::DataUseUserData::NTP_SNIPPETS);
 
   HttpRequestHeaders headers;
   if (!auth_header.empty())
     headers.SetHeader("Authorization", auth_header);
   headers.SetHeader("Content-Type", "application/json; charset=UTF-8");
   url_fetcher_->SetExtraRequestHeaders(headers.ToString());
   url_fetcher_->SetUploadData("application/json", request);
+  // Log the request for debugging network issues.
+  VLOG(1) << "Sendind a ntp snippets request to " << url << ":";

[Bernhard Bauer, 2016/06/21 16:33:05]

Nit: "Sending", "NTP".

[jkrcal, 2016/06/23 08:21:35]

Done.

+  VLOG(1) << headers.ToString();

[Bernhard Bauer, 2016/06/21 16:33:05]

You don't need a new VLOG() invocation; just keep the << chain (and align the
operators).

[jkrcal, 2016/06/23 08:21:35]

Done (added some new lines, as well).

+  VLOG(1) << request;
   // Fetchers are sometimes cancelled because a network change was detected.
   url_fetcher_->SetAutomaticallyRetryOnNetworkChanges(3);
   // Try to make fetching the files bit more robust even with poor connection.
   url_fetcher_->SetMaxRetriesOn5xx(3);
   url_fetcher_->Start();
 }
 
 std::string NTPSnippetsFetcher::GetHostRestricts() const {
   std::string host_restricts;
   if (UsesHostRestrictions()) {
@@ skipping 165 matching lines @@
                       tick_clock_->NowTicks() - fetch_start_time_);
   UMA_HISTOGRAM_ENUMERATION("NewTabPage.Snippets.FetchResult",
                             static_cast<int>(result),
                             static_cast<int>(FetchResult::RESULT_MAX));
 
   if (!snippets_available_callback_.is_null())
     snippets_available_callback_.Run(std::move(snippets));
 }
 
 }  // namespace ntp_snippets