Create a browser feature extractor that runs after the renderer has

chrome/common/safe_browsing/csd.proto

Index: chrome/common/safe_browsing/csd.proto
diff --git a/chrome/common/safe_browsing/csd.proto b/chrome/common/safe_browsing/csd.proto
index 6b737b30f610bc08a23f967eaa71f6028646a19f..ddda82f222501bc81adc607cdaf891effddde730 100644
--- a/chrome/common/safe_browsing/csd.proto
+++ b/chrome/common/safe_browsing/csd.proto
@@ -43,6 +43,11 @@ message ClientPhishingRequest {
   // List of features that were extracted.  Those are the features that were
   // sent to the scorer and which resulted in client_score being computed.
   repeated Feature feature_map = 5;
+
+  // List of features that are extracted in the client but are not used in the
+  // machine learning model.
+  repeated Feature non_model_feature_map = 8;
+
 }
 
 message ClientPhishingResponse {