Adding opt out and previews type information to DRP pingback

chrome/browser/loader/chrome_resource_dispatcher_host_delegate.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/loader/chrome_resource_dispatcher_host_delegate.h"
 
 #include <stdint.h>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 334 matching lines @@
   }
 }
 
 void NotifyUIThreadOfRequestComplete(
     const content::ResourceRequestInfo::WebContentsGetter& web_contents_getter,
     const GURL& url,
     const content::GlobalRequestID& request_id,
     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,
     int64_t original_content_length,
     base::TimeTicks request_creation_time,
     base::TimeDelta request_loading_time) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   content::WebContents* web_contents = web_contents_getter.Run();
   if (!web_contents)
     return;
@@ skipping 10 matching lines @@
     if (background_loader)
       background_loader->OnNetworkBytesChanged(total_received_bytes);
 #endif  // OS_ANDROID
   }
   page_load_metrics::MetricsWebContentsObserver* metrics_observer =
       page_load_metrics::MetricsWebContentsObserver::FromWebContents(
           web_contents);
   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);
   }
 }
 
 }  // namespace
 
 ChromeResourceDispatcherHostDelegate::ChromeResourceDispatcherHostDelegate()
     : download_request_limiter_(g_browser_process->download_request_limiter()),
       safe_browsing_(g_browser_process->safe_browsing_service())
 #if BUILDFLAG(ENABLE_EXTENSIONS)
       , user_script_listener_(new extensions::UserScriptListener())
@@ skipping 441 matching lines @@
     return;
   // TODO(maksims): remove this and use net_error argument in RequestComplete
   // once ResourceDispatcherHostDelegate is modified.
   int net_error = url_request->status().error();
   const ResourceRequestInfo* info =
       ResourceRequestInfo::ForRequest(url_request);
 
   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)
           : url_request->GetRawBodyBytes();
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&NotifyUIThreadOfRequestComplete,
                  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()));
 }
 
 content::PreviewsState ChromeResourceDispatcherHostDelegate::GetPreviewsState(
     const net::URLRequest& url_request,
     content::ResourceContext* resource_context) {
   ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
   data_reduction_proxy::DataReductionProxyIOData* data_reduction_proxy_io_data =
@@ skipping 64 matching lines @@
           base::Bind(&ChromeResourceDispatcherHostDelegate::OnAbortedFrameLoad,
                     base::Unretained(this), url, request_loading_time));
       return;
   }
 
   std::string metric_name = (request_loading_time.InMilliseconds() < 100 ?
       "Net.ErrAborted.Fast" : "Net.ErrAborted.Slow");
   rappor::SampleDomainAndRegistryFromGURL(
       g_browser_process->rappor_service(), metric_name, url);
 }