Add data usage tracking for safe browsing

chrome/browser/safe_browsing/ping_manager.cc

Index: chrome/browser/safe_browsing/ping_manager.cc
diff --git a/chrome/browser/safe_browsing/ping_manager.cc b/chrome/browser/safe_browsing/ping_manager.cc
index f4afeb651784fb5cc08f0dac0ef7073c2194e516..f0fed8f3444e750987f77e5ab17c6d32261cc83a 100644
--- a/chrome/browser/safe_browsing/ping_manager.cc
+++ b/chrome/browser/safe_browsing/ping_manager.cc
@@ -13,6 +13,7 @@
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/safe_browsing/permission_reporter.h"
 #include "components/certificate_reporting/error_reporter.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "content/public/browser/browser_thread.h"
 #include "google_apis/google_api_keys.h"
 #include "net/base/escape.h"
@@ -100,6 +101,8 @@ void SafeBrowsingPingManager::ReportSafeBrowsingHit(
                                               : net::URLFetcher::POST,
                               this)
           .release();
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      report, data_use_measurement::DataUseUserData::SAFE_BROWSING);
   report->SetLoadFlags(net::LOAD_DISABLE_CACHE);
   report->SetRequestContext(request_context_getter_.get());
   if (!hit_report.post_data.empty())
@@ -114,6 +117,8 @@ void SafeBrowsingPingManager::ReportThreatDetails(const std::string& report) {
   net::URLFetcher* fetcher =
       net::URLFetcher::Create(report_url, net::URLFetcher::POST, this)
           .release();
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      fetcher, data_use_measurement::DataUseUserData::SAFE_BROWSING);

[Jialiu Lin, 2016/08/24 19:10:45]

In addition to these two pings, download pings are handled in
chrome/browser/safe_browsing/download_protection_service.cc, more specifically,

DownloadProtectionService::CheckClientDownloadRequest::SendRequest() and 
DownloadProtectionService::PPAPIDownloadRequest::SendRequest()

You might want to take a look.

[Raj, 2016/08/24 20:00:01]

Thanks. Added to that file as well.

   fetcher->SetLoadFlags(net::LOAD_DISABLE_CACHE);
   fetcher->SetRequestContext(request_context_getter_.get());
   fetcher->SetUploadData("application/octet-stream", report);