Network traffic annotation added to template_url_fetcher.

components/search_engines/template_url_fetcher.cc

 // Copyright 2014 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/search_engines/template_url_fetcher.h"
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "components/search_engines/template_url.h"
 #include "components/search_engines/template_url_parser.h"
 #include "components/search_engines/template_url_service.h"
 #include "net/base/load_flags.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 
+namespace {
+// Traffic annotation for ReqeustDelegate
+constexpr net::NetworkTrafficAnnotationTag kTrafficAnnotation =
+    net::DefineNetworkTrafficAnnotation("...", R"(

[vasilii, 2017/02/24 14:42:38]

open_search

[Ramin Halavati, 2017/02/24 14:57:56]

Done.

+      semantics {
+        sender: "..."

[vasilii, 2017/02/24 14:42:38]

open_search_fetcher

[Ramin Halavati, 2017/02/24 14:57:56]

Done.

+        description: "..."

[vasilii, 2017/02/24 14:42:38]

The web pages can include an OpenSearch description doc in their HTML. In this
case Chrome downloads and parses the file. The corresponding search engine is
added to the list in the browser (chrome://settings/searchEngines).

[Ramin Halavati, 2017/02/24 14:57:56]

Done.

+        trigger: "..."

[vasilii, 2017/02/24 14:42:38]

User visits a web page containing  <link rel="search"> tag.

[Ramin Halavati, 2017/02/24 14:57:56]

Done.

+        data: "..."

[vasilii, 2017/02/24 14:42:38]

Nothing is uploaded.

[Ramin Halavati, 2017/02/24 14:57:56]

Done.

+        destination: WEBSITE/GOOGLE_OWNED_SERVICE/OTHER

[vasilii, 2017/02/24 14:42:38]

WEBSITE

[Ramin Halavati, 2017/02/24 14:57:57]

Done.

+      }
+      policy {
+        cookies_allowed: false/true

[vasilii, 2017/02/24 14:42:38]

true

[Ramin Halavati, 2017/02/24 14:57:56]

Done.

+        cookies_store: "..."

[vasilii, 2017/02/24 14:42:38]

user

[Ramin Halavati, 2017/02/24 14:57:56]

Done.

+        setting: "..."

[vasilii, 2017/02/24 14:42:38]

N/A

[Ramin Halavati, 2017/02/24 14:57:56]

Done.

+        policy {
+          [POLICY_NAME] {
+            policy_options {mode: MANDATORY/RECOMMENDED/UNSET}
+            value: ...
+          }
+        }
+        policy_exception_justification: "..."

[vasilii, 2017/02/24 14:42:37]

It's a web feature?

[Ramin Halavati, 2017/02/24 14:57:57]

Done.

+      })");
+}  // namespace
+
 // RequestDelegate ------------------------------------------------------------
 class TemplateURLFetcher::RequestDelegate : public net::URLFetcherDelegate {
  public:
   RequestDelegate(
       TemplateURLFetcher* fetcher,
       const base::string16& keyword,
       const GURL& osdd_url,
       const GURL& favicon_url,
       const URLFetcherCustomizeCallback& url_fetcher_customize_callback);
 
@@ skipping 23 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(RequestDelegate);
 };
 
 TemplateURLFetcher::RequestDelegate::RequestDelegate(
     TemplateURLFetcher* fetcher,
     const base::string16& keyword,
     const GURL& osdd_url,
     const GURL& favicon_url,
     const URLFetcherCustomizeCallback& url_fetcher_customize_callback)
-    : url_fetcher_(
-          net::URLFetcher::Create(osdd_url, net::URLFetcher::GET, this)),
+    : url_fetcher_(net::URLFetcher::Create(osdd_url,
+                                           net::URLFetcher::GET,
+                                           this,
+                                           kTrafficAnnotation)),
       fetcher_(fetcher),
       keyword_(keyword),
       osdd_url_(osdd_url),
       favicon_url_(favicon_url) {
   TemplateURLService* model = fetcher_->template_url_service_;
   DCHECK(model);  // TemplateURLFetcher::ScheduleDownload verifies this.
 
   if (!model->loaded()) {
     // Start the model load and set-up waiting for it.
     template_url_subscription_ = model->RegisterOnLoadedCallback(
@@ skipping 142 matching lines @@
 }
 
 void TemplateURLFetcher::RequestCompleted(RequestDelegate* request) {
   auto i = std::find_if(requests_.begin(), requests_.end(),
                         [request](const std::unique_ptr<RequestDelegate>& ptr) {
                           return ptr.get() == request;
                         });
   DCHECK(i != requests_.end());
   requests_.erase(i);
 }