Stop sending serialized SSLStatus to the renderer.

content/common/resource_request_completion_status.h

Index: content/common/resource_request_completion_status.h
diff --git a/content/common/resource_request_completion_status.h b/content/common/resource_request_completion_status.h
index 766c0ea2c7d3a098351198e562bc2d5e19063c8f..3ef01cee1f3c90ed2f6991e2436830f45714c06a 100644
--- a/content/common/resource_request_completion_status.h
+++ b/content/common/resource_request_completion_status.h
@@ -28,9 +28,6 @@ struct CONTENT_EXPORT ResourceRequestCompletionStatus {
   // A copy of the data requested exists in the cache.
   bool exists_in_cache = false;
 
-  // Serialized security info; see content/common/ssl_status_serialization.h.
-  std::string security_info;
-
   // Time the request completed.
   base::TimeTicks completion_time;