[Sync] Removed passphrase helper methods, removed ((n)) pattern, and fixed lint violations.

chrome/browser/sync/test/integration/passwords_helper.cc

Index: chrome/browser/sync/test/integration/passwords_helper.cc
diff --git a/chrome/browser/sync/test/integration/passwords_helper.cc b/chrome/browser/sync/test/integration/passwords_helper.cc
index 4f0ee6b4a606eb53b72394a2c8554268e4560036..b21b7064d8b8c04871037a488baff2ba3f9dba4a 100644
--- a/chrome/browser/sync/test/integration/passwords_helper.cc
+++ b/chrome/browser/sync/test/integration/passwords_helper.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/sync/test/integration/passwords_helper.h"
 
 #include <sstream>
+#include <string>
 #include <utility>
 
 #include "base/compiler_specific.h"
@@ -123,19 +124,6 @@ void RemoveLogins(PasswordStore* store) {
   }
 }
 
-void SetEncryptionPassphrase(
-    int index,
-    const std::string& passphrase,
-    browser_sync::ProfileSyncService::PassphraseType type) {
-  ProfileSyncServiceFactory::GetForProfile(
-      test()->GetProfile(index))->SetEncryptionPassphrase(passphrase, type);
-}
-
-bool SetDecryptionPassphrase(int index, const std::string& passphrase) {
-  return ProfileSyncServiceFactory::GetForProfile(
-      test()->GetProfile(index))->SetDecryptionPassphrase(passphrase);
-}
-
 PasswordStore* GetPasswordStore(int index) {
   return PasswordStoreFactory::GetForProfile(test()->GetProfile(index),
                                              ServiceAccessType::IMPLICIT_ACCESS)