Bypassed Bytes UMAs

chrome/browser/net/chrome_network_delegate.cc

Index: chrome/browser/net/chrome_network_delegate.cc
diff --git a/chrome/browser/net/chrome_network_delegate.cc b/chrome/browser/net/chrome_network_delegate.cc
index 6558ae123a8d01eac386242f1b1d44222e8e392a..adf1e32effb21f1c151e9012f804c87b16b32a50 100644
--- a/chrome/browser/net/chrome_network_delegate.cc
+++ b/chrome/browser/net/chrome_network_delegate.cc
@@ -36,6 +36,7 @@
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_params.h"
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_protocol.h"
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_usage_stats.h"
+#include "components/data_reduction_proxy/common/data_reduction_proxy_pref_names.h"
 #include "components/domain_reliability/monitor.h"
 #include "components/google/core/browser/google_util.h"
 #include "content/public/browser/browser_thread.h"
@@ -292,6 +293,7 @@ ChromeNetworkDelegate::ChromeNetworkDelegate(
       enable_referrers_(enable_referrers),
       enable_do_not_track_(NULL),
       force_google_safe_search_(NULL),
+      data_reduction_proxy_enabled_(NULL),
 #if defined(ENABLE_CONFIGURATION_POLICY)
       url_blacklist_manager_(NULL),
 #endif
@@ -346,6 +348,7 @@ void ChromeNetworkDelegate::InitializePrefsOnUIThread(
     BooleanPrefMember* enable_referrers,
     BooleanPrefMember* enable_do_not_track,
     BooleanPrefMember* force_google_safe_search,
+    BooleanPrefMember* data_reduction_proxy_enabled,
     PrefService* pref_service) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   enable_referrers->Init(prefs::kEnableReferrers, pref_service);
@@ -361,6 +364,13 @@ void ChromeNetworkDelegate::InitializePrefsOnUIThread(
     force_google_safe_search->MoveToThread(
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
   }
+  if (data_reduction_proxy_enabled) {
+    data_reduction_proxy_enabled->Init(
+        data_reduction_proxy::prefs::kDataReductionProxyEnabled,
+        pref_service);
+    data_reduction_proxy_enabled->MoveToThread(
+        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
+  }
 }
 
 // static
@@ -504,11 +514,15 @@ int ChromeNetworkDelegate::OnHeadersReceived(
     const net::HttpResponseHeaders* original_response_headers,
     scoped_refptr<net::HttpResponseHeaders>* override_response_headers,
     GURL* allowed_unsafe_redirect_url) {
+  net::ProxyService::DataReductionProxyBypassType bypass_type =
+      net::ProxyService::BYPASS_EVENT_TYPE_MAX;
   if (data_reduction_proxy::MaybeBypassProxyAndPrepareToRetry(
+      bypass_type,
       data_reduction_proxy_params_,
       request,
       original_response_headers,
       override_response_headers)) {
+    data_reduction_proxy_usage_stats_->SetBypassType(bypass_type);
     return net::OK;
   }
 
@@ -598,6 +612,11 @@ void ChromeNetworkDelegate::OnCompleted(net::URLRequest* request,
       RecordContentLengthHistograms(received_content_length,
                                     original_content_length,
                                     freshness_lifetime);
+      if (data_reduction_proxy_enabled_ &&
+          data_reduction_proxy_enabled_->GetValue()) {
+        data_reduction_proxy_usage_stats_->RecordBypassedBytesHistograms(
+            received_content_length, request);
+      }
       DVLOG(2) << __FUNCTION__
           << " received content length: " << received_content_length
           << " original content length: " << original_content_length