Network traffic annotation added to chrome::BitmapFetcher.

chrome/browser/extensions/webstore_install_helper.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_install_helper.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher.h"
 #include "components/safe_json/safe_json_parser.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/load_flags.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "net/url_request/url_request.h"
 
 using content::BrowserThread;
 
 namespace {
 
 const char kImageDecodeError[] = "Image decode failed";
 
 }  // namespace
 
@@ skipping 23 matching lines @@
   safe_json::SafeJsonParser::Parse(
       manifest_, base::Bind(&WebstoreInstallHelper::OnJSONParseSucceeded, this),
       base::Bind(&WebstoreInstallHelper::OnJSONParseFailed, this));
 
   if (icon_url_.is_empty()) {
     icon_decode_complete_ = true;
   } else {
     // No existing |icon_fetcher_| to avoid unbalanced AddRef().
     CHECK(!icon_fetcher_.get());
     AddRef();  // Balanced in OnFetchComplete().
-    icon_fetcher_.reset(new chrome::BitmapFetcher(icon_url_, this));
+
+    net::NetworkTrafficAnnotationTag traffic_annotation =
+        net::DefineNetworkTrafficAnnotation("webstore_install_helper", R"(
+          semantics {
+            sender: "Webstore Install Helper"
+            description:
+              "Fetches the bitmap corresponding to an extension icon."
+            trigger:
+              "This can happen in a few different circumstances: "
+              "1-User initiated an install from the Chrome Web Store."
+              "2-User initiated an inline installation from another website."
+              "3-Loading of kiosk app data on Chrome OS (provided that the "
+              "kiosk app is a Web Store app)."
+            data:
+              "The url of the icon for the extension, which includes the "
+              "extension id."
+            destination: GOOGLE_OWNED_SERVICE
+          }
+          policy {
+            cookies_allowed: false
+            setting:
+              "There's no direct Chromium's setting to disable this, but you "
+              "could uninstall all extensions and not install (or begin the "
+              "installation flow for) any more."
+            policy_exception_justification:
+              "Not implemented, considered not useful."
+          })");
+
+    icon_fetcher_.reset(
+        new chrome::BitmapFetcher(icon_url_, this, traffic_annotation));
     icon_fetcher_->Init(
         context_getter_, std::string(),
         net::URLRequest::CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE,
         net::LOAD_DO_NOT_SAVE_COOKIES | net::LOAD_DO_NOT_SEND_COOKIES);
     icon_fetcher_->Start();
   }
 }
 
 void WebstoreInstallHelper::OnFetchComplete(const GURL& url,
                                             const SkBitmap* image) {
@@ skipping 43 matching lines @@
   if (!icon_decode_complete_ || !manifest_parse_complete_)
     return;
 
   if (error_.empty() && parsed_manifest_)
     delegate_->OnWebstoreParseSuccess(id_, icon_, parsed_manifest_.release());
   else
     delegate_->OnWebstoreParseFailure(id_, parse_error_, error_);
 }
 
 }  // namespace extensions