Network traffic annotation added to install_signer.

chrome/browser/extensions/install_signer.cc

Index: chrome/browser/extensions/install_signer.cc
diff --git a/chrome/browser/extensions/install_signer.cc b/chrome/browser/extensions/install_signer.cc
index 065a544b3c85799c3059c3f9dd9d312284f8de92..78d3fc3ceb79d47525421fd07542bdaa6f6cb5d4 100644
--- a/chrome/browser/extensions/install_signer.cc
+++ b/chrome/browser/extensions/install_signer.cc
@@ -30,6 +30,7 @@
 #include "crypto/secure_hash.h"
 #include "crypto/sha2.h"
 #include "crypto/signature_verifier.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"
@@ -373,8 +374,29 @@ void InstallSigner::GetSignature(const SignatureCallback& callback) {
                                      base::Unretained(this));
 
   delegate_.reset(new FetcherDelegate(closure));
+  net::NetworkTrafficAnnotationTag traffic_annotation =
+      net::DefineNetworkTrafficAnnotation("...", R"(
+        semantics {
+          sender: "..."

[Devlin, 2017/04/19 20:27:07]

extension install signer

[Ramin Halavati, 2017/04/21 05:50:40]

Done.

+          description: "..."

[Devlin, 2017/04/19 20:27:07]

Fetches the signatures for installed extensions

[Ramin Halavati, 2017/04/21 05:50:41]

Done.

+          trigger: "..."

[Devlin, 2017/04/19 20:27:07]

Chrome detects an extension that requires installation verification.

[Ramin Halavati, 2017/04/21 05:50:41]

Done.

+          data: "..."

[Devlin, 2017/04/19 20:27:07]

The ids of the extensions that need to be verified, as well as a salted hash of
the user's machine id.

[Ramin Halavati, 2017/04/21 05:50:41]

Done.

+          destination: WEBSITE/GOOGLE_OWNED_SERVICE/OTHER

[Devlin, 2017/04/19 20:27:07]

GOOGLE_OWNED_SERVICE

[Ramin Halavati, 2017/04/21 05:50:40]

Done.

+        }
+        policy {
+          cookies_allowed: false/true
+          cookies_store: "..."
+          setting: "..."
+          chrome_policy {

[Devlin, 2017/04/19 20:27:07]

This setting can be disabled by not installing any extensions. 
 ExtensionInstallBlacklist: '*'

[Ramin Halavati, 2017/04/21 05:50:41]

Done.

+            [POLICY_NAME] {
+              policy_options {mode: MANDATORY/RECOMMENDED/UNSET}
+              [POLICY_NAME]: ... //(value to disable it)
+            }
+          }
+          policy_exception_justification: "..."
+        })");
   url_fetcher_ = net::URLFetcher::Create(GetBackendUrl(), net::URLFetcher::POST,
-                                         delegate_.get());
+                                         delegate_.get(), traffic_annotation);
   url_fetcher_->SetRequestContext(context_getter_);
 
   // The request protocol is JSON of the form: