Network traffic annotation added to autofill_download_manager.

components/autofill/core/browser/autofill_download_manager.cc

Index: components/autofill/core/browser/autofill_download_manager.cc
diff --git a/components/autofill/core/browser/autofill_download_manager.cc b/components/autofill/core/browser/autofill_download_manager.cc
index 07084c52be49d39dcfe3cd57cda9e02a79775cbd..8abd376929e3f3e3122d13f0f0ff69f58e3225e0 100644
--- a/components/autofill/core/browser/autofill_download_manager.cc
+++ b/components/autofill/core/browser/autofill_download_manager.cc
@@ -24,6 +24,7 @@
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_status_code.h"
+#include "net/traffic_annotation/network_traffic_annotation.h"
 #include "net/url_request/url_fetcher.h"
 #include "url/gurl.h"
 
@@ -231,10 +232,33 @@ bool AutofillDownloadManager::StartRequest(
   DCHECK(request_context);
   GURL request_url = GetRequestUrl(request_data.request_type);
 
+  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: "..."
+          setting: "..."
+          chrome_policy {
+            [POLICY_NAME] {
+              policy_options {mode: MANDATORY/RECOMMENDED/UNSET}
+              [POLICY_NAME]: ... //(value to disable it)
+            }
+          }
+          policy_exception_justification: "..."
+        })");

[Roger McFarlane (Chromium), 2017/03/15 14:54:56]

There are actuallly two different requests that can be generated here.
Identified by request_data.request_type.

if request_data.request_type == AutofillDownloadManager::REQUEST_QUERY

  net::NetworkTrafficAnnotationTag traffic_annotation =
      net::DefineNetworkTrafficAnnotation("autofill_query", R"(
        semantics {
          sender: "autofill"
          description:
            "Google Chrome can automatically fill in web forms. If the feature "
            "is enabled, Chrome will send a non-identifying description of the "
            "form to Google's servers, which will respond with the type of data
"
            "required by each of the forms field, if known. I.e., if a field
expects "
            "to receive a name, phone number, street address, etc."
          trigger: "User encounters a web form."
          data: "Hashed descriptions of the form, its fields, and action. User
data"
            "is not sent."
          destination: GOOGLE_OWNED_SERVICE
        }
        policy {
          cookies_allowed: false
          setting:
            "You can enable or disable this feature via 'Enable autofill to "
            "fill out web forms in a single click.' in Chrome's settings under "
            "Advanced. The feature is enabled by default."
          policy {
            AutofillEnabled {
                policy_options {mode: MANDATORY}
                AutofillEnabled: false
            }
          }
        })"

if request_data.request_type == AutofillDownloadManager::REQUEST_UPLOAD

  net::NetworkTrafficAnnotationTag traffic_annotation =
      net::DefineNetworkTrafficAnnotation("autofill_upload", R"(
        semantics {
          sender: "autofill"
          description:
            "Google Chrome relies on crowd-sourced field type classifications "
            " to help it automatically fill in web forms. If the feature is
enabled, "
            "Chrome will send a non-identifying description of the form to "
            "Google's servers along with the type of data Chrome observed "
            "being given to the form. I.e., if you entered your first name into
"
            "a form field, Chrome will 'vote' for that form field being a first
"
            "name field."
          trigger: "User submits a web form."
          data: "Hashed descriptions of the form and its fields along with "
            "type of data given to each field, if recognized from the user's "
            "profile(s). The user data is not sent."
          destination: GOOGLE_OWNED_SERVICE
        }
        policy {
          cookies_allowed: false
          setting:
            "You can enable or disable this feature via 'Enable autofill to "
            "fill out web forms in a single click.' in Chrome's settings under "
            "Advanced. The feature is enabled by default."
          policy {
            AutofillEnabled {
                policy_options {mode: MANDATORY}
                AutofillEnabled: false
            }
          }
        })"

+
   // Id is ignored for regular chrome, in unit test id's for fake fetcher
   // factory will be 0, 1, 2, ...
-  std::unique_ptr<net::URLFetcher> owned_fetcher = net::URLFetcher::Create(
-      fetcher_id_for_unittest_++, request_url, net::URLFetcher::POST, this);
+  std::unique_ptr<net::URLFetcher> owned_fetcher =
+      net::URLFetcher::Create(fetcher_id_for_unittest_++, request_url,
+                              net::URLFetcher::POST, this, traffic_annotation);
   net::URLFetcher* fetcher = owned_fetcher.get();
   data_use_measurement::DataUseUserData::AttachToFetcher(
       fetcher, data_use_measurement::DataUseUserData::AUTOFILL);