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

chrome/browser/spellchecker/spellcheck_custom_dictionary.h

Index: chrome/browser/spellchecker/spellcheck_custom_dictionary.h
diff --git a/chrome/browser/spellchecker/spellcheck_custom_dictionary.h b/chrome/browser/spellchecker/spellcheck_custom_dictionary.h
index ac2eaad91edf7393a5df227359dc55e4bcf04c0d..b8b329e765e543a5b17e72eb897081b1bf0ebcd9 100644
--- a/chrome/browser/spellchecker/spellcheck_custom_dictionary.h
+++ b/chrome/browser/spellchecker/spellcheck_custom_dictionary.h
@@ -75,7 +75,7 @@ class SpellcheckCustomDictionary : public SpellcheckDictionary,
   };
 
   explicit SpellcheckCustomDictionary(const base::FilePath& path);
-  virtual ~SpellcheckCustomDictionary();
+  ~SpellcheckCustomDictionary() override;
 
   // Returns the in-memory cache of words in the custom dictionary.
   const chrome::spellcheck_common::WordSet& GetWords() const;
@@ -106,18 +106,17 @@ class SpellcheckCustomDictionary : public SpellcheckDictionary,
   bool IsSyncing();
 
   // Overridden from SpellcheckDictionary:
-  virtual void Load() override;
+  void Load() override;
 
   // Overridden from syncer::SyncableService:
-  virtual syncer::SyncMergeResult MergeDataAndStartSyncing(
+  syncer::SyncMergeResult MergeDataAndStartSyncing(
       syncer::ModelType type,
       const syncer::SyncDataList& initial_sync_data,
       scoped_ptr<syncer::SyncChangeProcessor> sync_processor,
       scoped_ptr<syncer::SyncErrorFactory> sync_error_handler) override;
-  virtual void StopSyncing(syncer::ModelType type) override;
-  virtual syncer::SyncDataList GetAllSyncData(
-      syncer::ModelType type) const override;
-  virtual syncer::SyncError ProcessSyncChanges(
+  void StopSyncing(syncer::ModelType type) override;
+  syncer::SyncDataList GetAllSyncData(syncer::ModelType type) const override;
+  syncer::SyncError ProcessSyncChanges(
       const tracked_objects::Location& from_here,
       const syncer::SyncChangeList& change_list) override;