Standardize usage of virtual/override/final in sync/

sync/engine/directory_commit_contribution.h

 // Copyright 2014 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 SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTION_H_
 #define SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTION_H_
 
 #include <vector>
 
 #include "base/gtest_prod_util.h"
@@ skipping 19 matching lines @@
 // This class represents a set of items belonging to a particular data type that
 // have been selected from the syncable Directory and prepared for commit.
 //
 // This class handles the bookkeeping related to the commit of these items,
 // including processing the commit response message and setting and unsetting
 // the SYNCING bits.
 class SYNC_EXPORT_PRIVATE DirectoryCommitContribution
     : public CommitContribution {
  public:
   // This destructor will DCHECK if UnsetSyncingBits() has not been called yet.
-  virtual ~DirectoryCommitContribution();
+  ~DirectoryCommitContribution() override;
 
   // Build a CommitContribution from the IS_UNSYNCED items in |dir| with the
   // given |type|.  The contribution will include at most |max_items| entries.
   //
   // This function may return NULL if this type has no items ready for and
   // requiring commit.  This function may make model neutral changes to the
   // directory.
   static scoped_ptr<DirectoryCommitContribution> Build(
       syncable::Directory* dir,
       ModelType type,
       size_t max_items,
       DirectoryTypeDebugInfoEmitter* debug_info_emitter);
 
   // Serialize this contribution's entries to the given commit request |msg|.
   //
   // This function is not const.  It will update some state in this contribution
   // that will be used when processing the associated commit response.  This
   // function should not be called more than once.
-  virtual void AddToCommitMessage(sync_pb::ClientToServerMessage* msg) override;
+  void AddToCommitMessage(sync_pb::ClientToServerMessage* msg) override;
 
   // Updates this contribution's contents in accordance with the provided
   // |response|.
   //
   // This function may make model-neutral changes to the directory.  It is not
   // valid to call this function unless AddToCommitMessage() was called earlier.
   // This function should not be called more than once.
-  virtual SyncerError ProcessCommitResponse(
+  SyncerError ProcessCommitResponse(
       const sync_pb::ClientToServerResponse& response,
       sessions::StatusController* status) override;
 
   // Cleans up any temporary state associated with the commit.  Must be called
   // before destruction.
-  virtual void CleanUp() override;
+  void CleanUp() override;
 
   // Returns the number of entries included in this contribution.
-  virtual size_t GetNumEntries() const override;
+  size_t GetNumEntries() const override;
 
  private:
   class DirectoryCommitContributionTest;
   FRIEND_TEST_ALL_PREFIXES(DirectoryCommitContributionTest, GatherByTypes);
   FRIEND_TEST_ALL_PREFIXES(DirectoryCommitContributionTest,
                            GatherAndTruncate);
 
   DirectoryCommitContribution(
       const std::vector<int64>& metahandles,
       const google::protobuf::RepeatedPtrField<sync_pb::SyncEntity>& entities,
@@ skipping 17 matching lines @@
 
   // A pointer to the commit counters of our parent CommitContributor.
   DirectoryTypeDebugInfoEmitter* debug_info_emitter_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectoryCommitContribution);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTION_H_