Standardize usage of virtual/override/final in chrome/browser/sync/

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

Index: chrome/browser/sync/test/integration/profile_sync_service_harness.cc
diff --git a/chrome/browser/sync/test/integration/profile_sync_service_harness.cc b/chrome/browser/sync/test/integration/profile_sync_service_harness.cc
index 0338a190f2463cf65b011cf6759cfb2589b7ce2a..aeb827bd30dfdf0e04a3073cdce72ff24e51714e 100644
--- a/chrome/browser/sync/test/integration/profile_sync_service_harness.cc
+++ b/chrome/browser/sync/test/integration/profile_sync_service_harness.cc
@@ -50,7 +50,7 @@ class BackendInitializeChecker : public SingleClientStatusChangeChecker {
   explicit BackendInitializeChecker(ProfileSyncService* service)
       : SingleClientStatusChangeChecker(service) {}
 
-  virtual bool IsExitConditionSatisfied() override {
+  bool IsExitConditionSatisfied() override {
     if (service()->backend_mode() != ProfileSyncService::SYNC)
       return false;
     if (service()->backend_initialized())
@@ -65,9 +65,7 @@ class BackendInitializeChecker : public SingleClientStatusChangeChecker {
     return false;
   }
 
-  virtual std::string GetDebugMessage() const override {
-    return "Backend Initialize";
-  }
+  std::string GetDebugMessage() const override { return "Backend Initialize"; }
 };
 
 class SyncSetupChecker : public SingleClientStatusChangeChecker {
@@ -75,7 +73,7 @@ class SyncSetupChecker : public SingleClientStatusChangeChecker {
   explicit SyncSetupChecker(ProfileSyncService* service)
       : SingleClientStatusChangeChecker(service) {}
 
-  virtual bool IsExitConditionSatisfied() override {
+  bool IsExitConditionSatisfied() override {
     if (!service()->SyncActive())
       return false;
     if (service()->ConfigurationDone())
@@ -90,9 +88,7 @@ class SyncSetupChecker : public SingleClientStatusChangeChecker {
     return false;
   }
 
-  virtual std::string GetDebugMessage() const override {
-    return "Sync Setup";
-  }
+  std::string GetDebugMessage() const override { return "Sync Setup"; }
 };
 
 }  // namespace