[HttpJob] Record bytes read for requests

net/url_request/url_request_http_job.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 "net/url_request/url_request_http_job.h"
 
 #include <vector>
 
 #include "base/base_switches.h"
 #include "base/bind.h"
@@ skipping 1466 matching lines @@
     bool used_quic = response_info_->DidUseQuic();
     if (is_https_google) {
       if (used_quic) {
         UMA_HISTOGRAM_MEDIUM_TIMES("Net.HttpJob.TotalTime.Secure.Quic",
                                    total_time);
       } else {
         UMA_HISTOGRAM_MEDIUM_TIMES("Net.HttpJob.TotalTime.Secure.NotQuic",
                                    total_time);
       }
     }
+
+    UMA_HISTOGRAM_CUSTOM_COUNTS("Net.HttpJob.PrefilterBytesRead",
+                                prefilter_bytes_read(), 1, 50000000, 50);
     if (response_info_->was_cached) {
       UMA_HISTOGRAM_TIMES("Net.HttpJob.TotalTimeCached", total_time);
+      UMA_HISTOGRAM_CUSTOM_COUNTS("Net.HttpJob.PrefilterBytesRead.Cache",
+                                  prefilter_bytes_read(), 1, 50000000, 50);
+
       if (response_info_->unused_since_prefetch)
         UMA_HISTOGRAM_COUNTS("Net.Prefetch.HitBytes", prefilter_bytes_read());
     } else {
       UMA_HISTOGRAM_TIMES("Net.HttpJob.TotalTimeNotCached", total_time);
+      UMA_HISTOGRAM_CUSTOM_COUNTS("Net.HttpJob.PrefilterBytesRead.Net",
+                                  prefilter_bytes_read(), 1, 50000000, 50);
+
+      if (request_info_.load_flags & LOAD_PREFETCH) {
+        UMA_HISTOGRAM_COUNTS("Net.Prefetch.PrefilterBytesReadFromNetwork",
+                             prefilter_bytes_read());
+      }
       if (is_https_google) {
         if (used_quic) {
           UMA_HISTOGRAM_MEDIUM_TIMES(
               "Net.HttpJob.TotalTimeNotCached.Secure.Quic", total_time);
         } else {
           UMA_HISTOGRAM_MEDIUM_TIMES(
               "Net.HttpJob.TotalTimeNotCached.Secure.NotQuic", total_time);
         }
       }
     }
   }
 
-  if (request_info_.load_flags & LOAD_PREFETCH && !request_->was_cached())
-    UMA_HISTOGRAM_COUNTS("Net.Prefetch.PrefilterBytesReadFromNetwork",
-                         prefilter_bytes_read());
-
   start_time_ = base::TimeTicks();
 }
 
 void URLRequestHttpJob::DoneWithRequest(CompletionCause reason) {
   if (done_)
     return;
   done_ = true;
 
   // Notify NetworkQualityEstimator.
   NetworkQualityEstimator* network_quality_estimator =
@@ skipping 19 matching lines @@
   awaiting_callback_ = false;
 
   // Notify NetworkQualityEstimator.
   NetworkQualityEstimator* network_quality_estimator =
       request()->context()->network_quality_estimator();
   if (network_quality_estimator)
     network_quality_estimator->NotifyURLRequestDestroyed(*request());
 }
 
 }  // namespace net