Add extended reporting level in the update request

chrome/browser/safe_browsing/services_delegate_impl.cc

Index: chrome/browser/safe_browsing/services_delegate_impl.cc
diff --git a/chrome/browser/safe_browsing/services_delegate_impl.cc b/chrome/browser/safe_browsing/services_delegate_impl.cc
index e239d89c548adb633b24973f65817183ca27ec70..186d3431bce07fe2d09f67839c7bc40fdd1b7024 100644
--- a/chrome/browser/safe_browsing/services_delegate_impl.cc
+++ b/chrome/browser/safe_browsing/services_delegate_impl.cc
@@ -54,6 +54,19 @@ void ServicesDelegateImpl::InitializeCsdService(
 #endif  // defined(SAFE_BROWSING_CSD)
 }
 
+ExtendedReportingLevel ServicesDelegateImpl::GetMayBeExtendedReportingLevel()
+    const {
+  if (safe_browsing_service_->maybe_enabled_extended_reporting_by_prefs()) {

[Jialiu Lin, 2017/01/25 02:03:29]

nit: It is possible that both maybe_enabled_extended_reporting_by_prefs() and
maybe_enabled_scout_reporting_by_prefs() are true (a.k.a some profiles are in
scout, some profiles are in legacy SBER). Maybe we should document either here
or in the .h file that in case of a tie, we fall back to SBER. 

[vakh (use Gerrit instead), 2017/01/25 02:13:41]

Done.

+    // If extended reporting is enabled, report that so that we can track its
+    // usage better for deprecation.
+    return SBER_LEVEL_LEGACY;
+  }
+  if (safe_browsing_service_->maybe_enabled_scout_reporting_by_prefs()) {
+    return SBER_LEVEL_SCOUT;
+  }
+  return SBER_LEVEL_OFF;
+}
+
 const scoped_refptr<SafeBrowsingDatabaseManager>&
 ServicesDelegateImpl::v4_local_database_manager() const {
   return v4_local_database_manager_;
@@ -62,8 +75,10 @@ ServicesDelegateImpl::v4_local_database_manager() const {
 void ServicesDelegateImpl::Initialize() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
-  v4_local_database_manager_ =
-      V4LocalDatabaseManager::Create(SafeBrowsingService::GetBaseFilename());
+  v4_local_database_manager_ = V4LocalDatabaseManager::Create(
+      SafeBrowsingService::GetBaseFilename(),
+      base::Bind(&ServicesDelegateImpl::GetMayBeExtendedReportingLevel,
+                 base::Unretained(this)));
 
   download_service_.reset(
       (services_creator_ &&