Redirect handling in resource prefetch predictor

chrome/browser/predictors/resource_prefetch_predictor.proto

 // Copyright 2016 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.
 
 // Protocol buffers used for storing in SQLite.
 // CAUTION: When any change is done here, bump kDatabaseVersion in
 //          resource_prefetch_predictor.h.
 
 syntax = "proto2";
 
@@ skipping 43 matching lines @@
   optional string resource_url = 1;
   optional ResourceType resource_type = 2;
   optional uint32 number_of_hits = 3;
   optional uint32 number_of_misses = 4;
   optional uint32 consecutive_misses = 5;
   optional double average_position = 6;
   optional Priority priority = 7;
   optional bool has_validators = 8;
   optional bool always_revalidate = 9;
 }
+
+message RedirectProto {
+  // Represents single redirect chain endpoint

[Benoit L, 2016/09/19 13:53:48]

nit: Represents a.

+  message RedirectStat {
+    optional string url = 1;
+    optional uint32 number_of_hits = 2;
+    optional uint32 number_of_misses = 3;
+    optional uint32 consecutive_misses = 4;
+  }
+
+  optional uint64 last_visit_time = 1;
+  repeated RedirectStat redirects = 2;
+}