predictors: Several improvements for redirects database.

chrome/browser/predictors/resource_prefetch_common.h

Index: chrome/browser/predictors/resource_prefetch_common.h
diff --git a/chrome/browser/predictors/resource_prefetch_common.h b/chrome/browser/predictors/resource_prefetch_common.h
index af03bee85c32e047ff876ead007764b31a369ae9..bf4a325c81be3917a1d262bca9264c28d951c833 100644
--- a/chrome/browser/predictors/resource_prefetch_common.h
+++ b/chrome/browser/predictors/resource_prefetch_common.h
@@ -112,6 +112,9 @@ struct ResourcePrefetchPredictorConfig {
   size_t max_resources_per_entry;
   // The number of consecutive misses after we stop tracking a resource URL.
   size_t max_consecutive_misses;
+  // The number of consecutive misses after we stop tracking a redirect

[Benoit L, 2017/04/10 09:50:35]

nit: after which
here and above.

[alexilin, 2017/04/10 17:43:25]

Done.

+  // endpoint.
+  size_t max_redirect_consecutive_misses;
 
   // The minimum confidence (accuracy of hits) required for a resource to be
   // prefetched.