Reviewed by Adam Barth.

        Removing trailing whitespaces from all storage classes.

        https://bugs.webkit.org/show_bug.cgi?id=28075

        * storage/ChangeVersionWrapper.cpp:
        * storage/Database.cpp:
        * storage/Database.h:
        * storage/DatabaseDetails.h:
        * storage/DatabaseThread.cpp:
        * storage/DatabaseTracker.cpp:
        * storage/DatabaseTracker.h:
        * storage/LocalStorageTask.cpp:
        * storage/LocalStorageTask.h:
        * storage/LocalStorageThread.cpp:
        * storage/LocalStorageThread.h:
        * storage/OriginQuotaManager.cpp:
        * storage/OriginUsageRecord.cpp:
        * storage/OriginUsageRecord.h:
        * storage/SQLError.h:
        * storage/SQLResultSetRowList.h:
        * storage/SQLStatement.cpp:
        * storage/SQLStatement.h:
        * storage/SQLStatementCallback.h:
        * storage/SQLStatementErrorCallback.h:
        * storage/SQLTransaction.cpp:
        * storage/SQLTransaction.h:
        * storage/SQLTransactionCallback.h:
        * storage/SQLTransactionErrorCallback.h:
        * storage/Storage.cpp:
        * storage/Storage.h:
        * storage/StorageArea.h:
        * storage/StorageAreaImpl.cpp:
        * storage/StorageAreaImpl.h:
        * storage/StorageAreaSync.cpp:
        * storage/StorageAreaSync.h:
        * storage/StorageEvent.cpp:
        * storage/StorageEvent.h:
        * storage/StorageMap.cpp:
        * storage/StorageMap.h:
        * storage/StorageNamespaceImpl.cpp:
        * storage/StorageSyncManager.cpp:
        * storage/StorageSyncManager.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@47808 268f45cc-cd09-0410-ab3c-d52691b4dbfc