Add enable_reporting to fix size regression in Cronet.

net/url_request/url_request_http_job.cc

Index: net/url_request/url_request_http_job.cc
diff --git a/net/url_request/url_request_http_job.cc b/net/url_request/url_request_http_job.cc
index b34fbd5157d27740a789fa471bf4b9ef748fee18..0ed10584be5dcf7b86e538926c637712fa5d7b7f 100644
--- a/net/url_request/url_request_http_job.cc
+++ b/net/url_request/url_request_http_job.cc
@@ -24,6 +24,7 @@
 #include "base/time/time.h"
 #include "base/trace_event/trace_event.h"
 #include "base/values.h"
+#include "build/buildflag.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
@@ -51,11 +52,11 @@
 #include "net/http/http_util.h"
 #include "net/log/net_log_event_type.h"
 #include "net/log/net_log_with_source.h"
+#include "net/net_features.h"
 #include "net/nqe/network_quality_estimator.h"
 #include "net/proxy/proxy_info.h"
 #include "net/proxy/proxy_retry_info.h"
 #include "net/proxy/proxy_service.h"
-#include "net/reporting/reporting_service.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/ssl/ssl_cert_request_info.h"
 #include "net/ssl/ssl_config_service.h"
@@ -73,6 +74,10 @@
 #include "net/android/network_library.h"
 #endif
 
+#if BUILDFLAG(ENABLE_REPORTING)
+#include "net/reporting/reporting_service.h"
+#endif  // BUILDFLAG(ENABLE_REPORTING)
+
 static const char kAvailDictionaryHeader[] = "Avail-Dictionary";
 
 namespace {
@@ -852,6 +857,7 @@ void URLRequestHttpJob::ProcessExpectCTHeader() {
 void URLRequestHttpJob::ProcessReportToHeader() {
   DCHECK(response_info_);
 
+#if BUILDFLAG(ENABLE_REPORTING)
   ReportingService* service = request_->context()->reporting_service();
   if (!service)
     return;
@@ -869,6 +875,7 @@ void URLRequestHttpJob::ProcessReportToHeader() {
     return;
 
   service->ProcessHeader(request_info_.url.GetOrigin(), value);
+#endif  // BUILDFLAG(ENABLE_REPORTING)
 }
 
 void URLRequestHttpJob::OnStartCompleted(int result) {