Make PassphraseType a "enum class" instead of "enum".

chrome/browser/ui/webui/options/sync_setup_handler_unittest.cc

Index: chrome/browser/ui/webui/options/sync_setup_handler_unittest.cc
diff --git a/chrome/browser/ui/webui/options/sync_setup_handler_unittest.cc b/chrome/browser/ui/webui/options/sync_setup_handler_unittest.cc
index aadfa7a14802f30158cbff7ceab2926507aba4fa..b362909c871f72eb6756010bf72869abf3b05062 100644
--- a/chrome/browser/ui/webui/options/sync_setup_handler_unittest.cc
+++ b/chrome/browser/ui/webui/options/sync_setup_handler_unittest.cc
@@ -203,8 +203,8 @@ class SyncSetupHandlerTest : public testing::Test {
         ProfileSyncServiceFactory::GetInstance()->SetTestingFactoryAndUse(
             profile_.get(), BuildMockProfileSyncService));
     EXPECT_CALL(*mock_pss_, GetAuthError()).WillRepeatedly(ReturnRef(error_));
-    ON_CALL(*mock_pss_, GetPassphraseType()).WillByDefault(
-        Return(syncer::IMPLICIT_PASSPHRASE));
+    ON_CALL(*mock_pss_, GetPassphraseType())
+        .WillByDefault(Return(syncer::PassphraseType::IMPLICIT_PASSPHRASE));
     ON_CALL(*mock_pss_, GetExplicitPassphraseTime()).WillByDefault(
         Return(base::Time()));
     ON_CALL(*mock_pss_, GetRegisteredDataTypes())
@@ -870,7 +870,7 @@ TEST_F(SyncSetupHandlerTest, ShowSetupCustomPassphraseRequired) {
   EXPECT_CALL(*mock_pss_, IsUsingSecondaryPassphrase())
       .WillRepeatedly(Return(true));
   EXPECT_CALL(*mock_pss_, GetPassphraseType())
-      .WillRepeatedly(Return(syncer::CUSTOM_PASSPHRASE));
+      .WillRepeatedly(Return(syncer::PassphraseType::CUSTOM_PASSPHRASE));
   SetupInitializedProfileSyncService();
   SetDefaultExpectationsForConfigPage();