Network traffic annotation added to chrome::BitmapFetcher.

chrome/browser/extensions/webstore_install_helper.cc

Index: chrome/browser/extensions/webstore_install_helper.cc
diff --git a/chrome/browser/extensions/webstore_install_helper.cc b/chrome/browser/extensions/webstore_install_helper.cc
index 691ec84901659706c6e3008c225f0e0a39aa91f8..f46d8afdcba2945cb4e90c2385b2ab755fba7568 100644
--- a/chrome/browser/extensions/webstore_install_helper.cc
+++ b/chrome/browser/extensions/webstore_install_helper.cc
@@ -10,6 +10,7 @@
 #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;
@@ -53,7 +54,28 @@ void WebstoreInstallHelper::Start() {
     // 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("", R"(
+          semantics {
+            sender: ""
+            description: ""
+            trigger: ""
+            data: ""
+            destination: WEBSITE/GOOGLE_OWNED_SERVICE/OTHER
+          }
+          policy {
+            cookies_allowed: false/true
+            cookies_store_exceptions: ""
+            setting: ""
+            policy {
+              [POLICY_NAME] {
+                policy_options {mode: MANDATORY/RECOMMENDED/UNSET}
+                value: ...
+              }
+            }
+          })");
+    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,