Standardize usage of virtual/override/final in storage/

storage/browser/fileapi/quota/quota_backend_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef STORAGE_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_
 #define STORAGE_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "storage/browser/fileapi/quota/quota_reservation_manager.h"
@@ skipping 22 matching lines @@
 class STORAGE_EXPORT QuotaBackendImpl
     : public QuotaReservationManager::QuotaBackend {
  public:
   typedef QuotaReservationManager::ReserveQuotaCallback
       ReserveQuotaCallback;
 
   QuotaBackendImpl(base::SequencedTaskRunner* file_task_runner,
                    ObfuscatedFileUtil* obfuscated_file_util,
                    FileSystemUsageCache* file_system_usage_cache,
                    storage::QuotaManagerProxy* quota_manager_proxy);
-  virtual ~QuotaBackendImpl();
+  ~QuotaBackendImpl() override;
 
   // QuotaReservationManager::QuotaBackend overrides.
-  virtual void ReserveQuota(
-      const GURL& origin,
-      FileSystemType type,
-      int64 delta,
-      const ReserveQuotaCallback& callback) override;
-  virtual void ReleaseReservedQuota(
-      const GURL& origin,
-      FileSystemType type,
-      int64 size) override;
-  virtual void CommitQuotaUsage(
-      const GURL& origin,
-      FileSystemType type,
-      int64 delta) override;
-  virtual void IncrementDirtyCount(
-      const GURL& origin,
-      FileSystemType type) override;
-  virtual void DecrementDirtyCount(
-      const GURL& origin,
-      FileSystemType type) override;
+  void ReserveQuota(const GURL& origin,
+                    FileSystemType type,
+                    int64 delta,
+                    const ReserveQuotaCallback& callback) override;
+  void ReleaseReservedQuota(const GURL& origin,
+                            FileSystemType type,
+                            int64 size) override;
+  void CommitQuotaUsage(const GURL& origin,
+                        FileSystemType type,
+                        int64 delta) override;
+  void IncrementDirtyCount(const GURL& origin, FileSystemType type) override;
+  void DecrementDirtyCount(const GURL& origin, FileSystemType type) override;
 
  private:
   friend class content::QuotaBackendImplTest;
 
   struct QuotaReservationInfo {
     QuotaReservationInfo(const GURL& origin, FileSystemType type, int64 delta);
     ~QuotaReservationInfo();
 
     GURL origin;
     FileSystemType type;
@@ skipping 22 matching lines @@
   scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy_;
 
   base::WeakPtrFactory<QuotaBackendImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaBackendImpl);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_