Add finch control of user population in low reputation requests

components/safe_browsing/csd.proto

 // 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.
 //
 // This proto file includes:
 // (1) Client side phishing and malware detection request and response
 //   protocol buffers.  Those protocol messages should be kept in sync
 //   with the server implementation.
 //
 // (2) Safe Browsing reporting protocol buffers.
@@ skipping 16 matching lines @@
 
 // Protocol buffer describing the Chrome user population of the user reporting
 // data.
 message ChromeUserPopulation {
   enum UserPopulation {
     UNKNOWN_USER_POPULATION = 0;
     SAFE_BROWSING = 1;
     EXTENDED_REPORTING = 2;
   }
   optional UserPopulation user_population = 1;
+
+  // If user enabled history sync.
+  optional bool is_history_sync_enabled = 2;
+
+  // The finch active groups this user belongs to (if any). Active group is
+  // defined by finch trial name and group name. Trial name and group name are
+  // concatenated with separator "|", e.g. "PingOnlyTrial|DefaultGroup".
+  repeated string finch_active_groups = 4;
 }
 
 message ClientPhishingRequest {
   // URL that the client visited.  The CGI parameters are stripped by the
   // client.
   optional string url = 1;
 
   // A 5-byte SHA-256 hash prefix of the URL.  Before hashing the URL is
   // canonicalized, converted to a suffix-prefix expression and broadened
   // (www prefix is removed and everything past the last '/' is stripped).
@@ skipping 160 matching lines @@
     repeated string password_reused_original_origins = 1;
 
     // The frame that the password reuse is detected.
     optional int32 frame_id = 2;
   }
 
   optional PasswordReuseEvent password_reuse_event = 4;
 
   // The number of verdicts stored on the client.
   optional int32 stored_verdict_cnt = 5;
+
+  // Chrome user population.
+  optional ChromeUserPopulation population = 6;
 }
 
 // The message is used for client response for login reputation requests.
 message LoginReputationClientResponse {
   // Type of verdicts issued by the server.
   enum VerdictType {
     VERDICT_TYPE_UNSPECIFIED = 0;
     // No warning will be displayed.
     SAFE = 1;
     // The site has low reputation or low popularity.
@@ skipping 797 matching lines @@
 // There is no response (an empty body) to this request.
 message NotificationImageReportRequest {
   optional string notification_origin = 1;  // Src-origin of the notification.
   optional ImageData image = 2;             // The bitmap of the image.
 
   // Note that the image URL is deliberately omitted as it would be untrusted,
   // since the notification image fetch may be intercepted by a Service Worker
   // (even if the image URL is cross-origin). Otherwise a website could mislead
   // Safe Browsing into associating phishing image bitmaps with safe image URLs.
 }