Standardize usage of virtual/override/final in sync/

sync/test/engine/injectable_sync_context_proxy.h

Index: sync/test/engine/injectable_sync_context_proxy.h
diff --git a/sync/test/engine/injectable_sync_context_proxy.h b/sync/test/engine/injectable_sync_context_proxy.h
index 29bb8c264dbd1ba0129ccf16d2ae209611a1e5ab..3b9782041b53886bfe19aced2375569d79a2c2bc 100644
--- a/sync/test/engine/injectable_sync_context_proxy.h
+++ b/sync/test/engine/injectable_sync_context_proxy.h
@@ -20,16 +20,15 @@ class ModelTypeSyncWorker;
 class InjectableSyncContextProxy : public syncer::SyncContextProxy {
  public:
   explicit InjectableSyncContextProxy(ModelTypeSyncWorker* worker);
-  virtual ~InjectableSyncContextProxy();
-
-  virtual void ConnectTypeToSync(
-      syncer::ModelType type,
-      const DataTypeState& data_type_state,
-      const UpdateResponseDataList& pending_updates,
-      const base::WeakPtr<syncer::ModelTypeSyncProxyImpl>& type_sync_proxy)
-      override;
-  virtual void Disconnect(syncer::ModelType type) override;
-  virtual scoped_ptr<SyncContextProxy> Clone() const override;
+  ~InjectableSyncContextProxy() override;
+
+  void ConnectTypeToSync(syncer::ModelType type,
+                         const DataTypeState& data_type_state,
+                         const UpdateResponseDataList& pending_updates,
+                         const base::WeakPtr<syncer::ModelTypeSyncProxyImpl>&
+                             type_sync_proxy) override;
+  void Disconnect(syncer::ModelType type) override;
+  scoped_ptr<SyncContextProxy> Clone() const override;
 
   ModelTypeSyncWorker* GetWorker();