Add finch control of user population in low reputation requests

components/safe_browsing/password_protection/password_protection_service.h

Index: components/safe_browsing/password_protection/password_protection_service.h
diff --git a/components/safe_browsing/password_protection/password_protection_service.h b/components/safe_browsing/password_protection/password_protection_service.h
index e0470ccaa0daa3139eaf96114533c271ccffa15a..7de43bedf90424e377d4419bbe8a20a53586f006 100644
--- a/components/safe_browsing/password_protection/password_protection_service.h
+++ b/components/safe_browsing/password_protection/password_protection_service.h
@@ -8,6 +8,7 @@
 #include <set>
 
 #include "base/callback.h"
+#include "base/feature_list.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ -32,6 +33,9 @@ namespace safe_browsing {
 class SafeBrowsingDatabaseManager;
 class PasswordProtectionRequest;
 
+extern const base::Feature kLowReputationPinging;
+extern const base::Feature kProtectedPasswordEntryPinging;
+
 // Manage password protection pings and verdicts. There is one instance of this
 // class per profile. Therefore, every PasswordProtectionService instance is
 // associated with a unique HistoryService instance and a unique
@@ -116,11 +120,17 @@ class PasswordProtectionService : public history::HistoryServiceObserver {
       int event_tab_id,  // -1 if tab id is not available.
       LoginReputationClientRequest::Frame* frame) = 0;
 
+  void FillUserPopulation(
+      const LoginReputationClientRequest::TriggerType& request_type,
+      LoginReputationClientRequest* request_proto);
+
   virtual bool IsExtendedReporting() = 0;
+
   virtual bool IsIncognito() = 0;
 
-  // If we can send ping to Safe Browsing backend.
-  virtual bool IsPingingEnabled() = 0;
+  virtual bool IsPingingEnabled(const base::Feature& feature) = 0;
+
+  virtual bool IsHistorySyncEnabled() = 0;
 
   void CheckCsdWhitelistOnIOThread(const GURL& url, bool* check_result);
 
@@ -128,6 +138,8 @@ class PasswordProtectionService : public history::HistoryServiceObserver {
   // metric based on input.
   void OnMatchCsdWhiteListResult(const bool* match_whitelist);
 
+  HostContentSettingsMap* content_settings() { return content_settings_; }

[Nathan Parker, 2017/05/05 20:58:22]

nit: content_settings() const

[Jialiu Lin, 2017/05/05 22:19:33]

Done.

+
  private:
   friend class PasswordProtectionServiceTest;
   friend class TestPasswordProtectionService;