Adding opt out and previews type information to DRP pingback

chrome/browser/loader/chrome_resource_dispatcher_host_delegate.cc

Index: chrome/browser/loader/chrome_resource_dispatcher_host_delegate.cc
diff --git a/chrome/browser/loader/chrome_resource_dispatcher_host_delegate.cc b/chrome/browser/loader/chrome_resource_dispatcher_host_delegate.cc
index ef5d5c416c517d104df1545a7a32ef83e320887a..f53ac04de3c8299cc9b49f97d607e0522456c437 100644
--- a/chrome/browser/loader/chrome_resource_dispatcher_host_delegate.cc
+++ b/chrome/browser/loader/chrome_resource_dispatcher_host_delegate.cc
@@ -352,6 +352,7 @@ void NotifyUIThreadOfRequestComplete(
     ResourceType resource_type,
     bool was_cached,
     bool used_data_reduction_proxy,
+    bool was_lofi_reponse,

[bengr, 2017/04/20 17:36:18]

What is a lofi response? Does this bit get set on client-side lofi range
responses? Also, this seems like a special case of used_d_r_p. Should that be an
enum instead? Or a struct? Copy and plumb drp_data all the way through? 

[RyanSturm, 2017/04/20 20:25:44]

Obsolete. Changed to DRPData.

     int net_error,
     int64_t total_received_bytes,
     int64_t raw_body_bytes,
@@ -382,7 +383,8 @@ void NotifyUIThreadOfRequestComplete(
   if (metrics_observer) {
     metrics_observer->OnRequestComplete(
         request_id, resource_type, was_cached, used_data_reduction_proxy,
-        raw_body_bytes, original_content_length, request_creation_time);
+        was_lofi_reponse, raw_body_bytes, original_content_length,
+        request_creation_time);
   }
 }
 
@@ -844,6 +846,7 @@ void ChromeResourceDispatcherHostDelegate::RequestComplete(
   data_reduction_proxy::DataReductionProxyData* data =
       data_reduction_proxy::DataReductionProxyData::GetData(*url_request);
   bool used_data_reduction_proxy = data && data->used_data_reduction_proxy();
+  bool was_lofi_reponse = data && data->lofi_received();
   int64_t original_content_length =
       used_data_reduction_proxy
           ? data_reduction_proxy::util::CalculateEffectiveOCL(*url_request)
@@ -855,7 +858,8 @@ void ChromeResourceDispatcherHostDelegate::RequestComplete(
                  info->GetWebContentsGetterForRequest(), url_request->url(),
                  info->GetGlobalRequestID(), info->GetResourceType(),
                  url_request->was_cached(), used_data_reduction_proxy,
-                 net_error, url_request->GetTotalReceivedBytes(),
+                 was_lofi_reponse, net_error,
+                 url_request->GetTotalReceivedBytes(),
                  url_request->GetRawBodyBytes(), original_content_length,
                  url_request->creation_time(),
                  base::TimeTicks::Now() - url_request->creation_time()));