Refactoring DownloadManager::DownloadURL to add proper annotation.

chrome/browser/extensions/webstore_installer.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/webstore_installer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <limits>
 #include <set>
@@ skipping 45 matching lines @@
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/install/crx_install_error.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_urls.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/manifest_handlers/shared_module_info.h"
 #include "net/base/escape.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #endif
 
 using content::BrowserContext;
 using content::BrowserThread;
 using content::DownloadItem;
@@ skipping 596 matching lines @@
       render_frame_host->GetRoutingID(),
       storage_partition->GetURLRequestContext()));
   params->set_file_path(file);
   if (controller.GetVisibleEntry())
     params->set_referrer(content::Referrer::SanitizeForRequest(
         download_url_, content::Referrer(controller.GetVisibleEntry()->GetURL(),
                                          blink::kWebReferrerPolicyDefault)));
   params->set_callback(base::Bind(&WebstoreInstaller::OnDownloadStarted,
                                   this,
                                   extension_id));
-  download_manager->DownloadUrl(std::move(params));
+  download_manager->DownloadUrl(std::move(params), NO_TRAFFIC_ANNOTATION_YET);
 }
 
 void WebstoreInstaller::UpdateDownloadProgress() {
   // If the download has gone away, or isn't in progress (in which case we can't
   // give a good progress estimate), stop any running timers and return.
   if (!download_item_ ||
       download_item_->GetState() != DownloadItem::IN_PROGRESS) {
     download_progress_timer_.Stop();
     return;
   }
@@ skipping 97 matching lines @@
         1,
         kMaxSizeKb,
         kNumBuckets);
   }
   UMA_HISTOGRAM_BOOLEAN(
       "Extensions.WebstoreDownload.InterruptTotalSizeUnknown",
       total_bytes <= 0);
 }
 
 }  // namespace extensions