Network traffic annotation added to web_resource_service.

chrome/browser/plugins/plugins_resource_service.cc

 // Copyright 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/plugins/plugins_resource_service.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/plugins/plugin_finder.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/safe_json/safe_json_parser.h"
 #include "url/gurl.h"
 
 namespace {
+constexpr net::NetworkTrafficAnnotationTag kTrafficAnnotation =
+    net::DefineNetworkTrafficAnnotation("plugins_resource_service", R"(
+        semantics {
+          sender: "Plugins Resource Service"
+          description:
+            "Fetches updates to the list of plugins known to Chromium. For a "
+            "given plugin, this list contains the minimum version not "
+            "containing known security vulnerabilities, and can be used to "
+            "inform the user that their plugins need to be updated."
+          trigger: "Triggered at regular intervals (once per day)."
+          data: "None"
+          destination: GOOGLE_OWNED_SERVICE
+        }
+        policy {
+          cookies_allowed: false
+          setting: "This feature cannot be disabled in settings."
+          policy_exception_justification:
+            "Not implemented. AllowOutdatedPlugins policy silences local "
+            "warnings, but network request to update the list of plugins are "
+            "still sent."
+        })");
+
+}  // namespace
+
+namespace {
 
 // Delay on first fetch so we don't interfere with startup.
 const int kStartResourceFetchDelayMs = 60 * 1000;
 
 // Delay between calls to update the cache 1 day and 2 minutes in testing mode.
 const int kCacheUpdateDelayMs = 24 * 60 * 60 * 1000;
 
 const char kPluginsServerUrl[] =
     "https://www.gstatic.com/chrome/config/plugins_2/";
 
@@ skipping 17 matching lines @@
 PluginsResourceService::PluginsResourceService(PrefService* local_state)
     : web_resource::WebResourceService(
           local_state,
           GetPluginsServerURL(),
           std::string(),
           prefs::kPluginsResourceCacheUpdate,
           kStartResourceFetchDelayMs,
           kCacheUpdateDelayMs,
           g_browser_process->system_request_context(),
           switches::kDisableBackgroundNetworking,
-          base::Bind(safe_json::SafeJsonParser::Parse)) {}
+          base::Bind(safe_json::SafeJsonParser::Parse),
+          kTrafficAnnotation) {}
 
 void PluginsResourceService::Init() {
   const base::DictionaryValue* metadata =
       prefs_->GetDictionary(prefs::kPluginsMetadata);
   PluginFinder::GetInstance()->ReinitializePlugins(metadata);
   StartAfterDelay();
 }
 
 PluginsResourceService::~PluginsResourceService() {
 }
 
 // static
 void PluginsResourceService::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterDictionaryPref(prefs::kPluginsMetadata,
                                    new base::DictionaryValue());
   registry->RegisterStringPref(prefs::kPluginsResourceCacheUpdate, "0");
 }
 
 void PluginsResourceService::Unpack(const base::DictionaryValue& parsed_json) {
   prefs_->Set(prefs::kPluginsMetadata, parsed_json);
   PluginFinder::GetInstance()->ReinitializePlugins(&parsed_json);
 }