Web SQL: Remove unnecessary abstraction.

Source/modules/webdatabase/DatabaseBackendBase.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 27 matching lines @@
 #include "wtf/RefPtr.h"
 #include "wtf/ThreadSafeRefCounted.h"
 #include "wtf/text/WTFString.h"
 
 #if !LOG_DISABLED || !ERROR_DISABLED
 #include "platform/weborigin/SecurityOrigin.h"
 #endif
 
 namespace blink {
 
+class Database;
 class DatabaseAuthorizer;
 class DatabaseContext;
-class DatabaseBase;
 class ExecutionContext;
 class SecurityOrigin;
 
 // FIXME: This abstraction is unnecessary because DatabaseBackendSync was
 // removed.
 class DatabaseBackendBase : public ThreadSafeRefCountedWillBeGarbageCollectedFinalized<DatabaseBackendBase> {
 public:
     virtual ~DatabaseBackendBase();
     virtual void trace(Visitor*);
 
@@ skipping 19 matching lines @@
     bool lastActionWasInsert();
     void resetDeletes();
     bool hadDeletes();
     void resetAuthorizer();
 
     virtual void closeImmediately() = 0;
     void closeDatabase();
 
     DatabaseContext* databaseContext() const { return m_databaseContext.get(); }
     ExecutionContext* executionContext() const;
-    void setFrontend(DatabaseBase* frontend) { m_frontend = frontend; }
+    void setFrontend(Database* frontend) { m_frontend = frontend; }
 
 protected:
     friend class ChangeVersionWrapper;
     friend class SQLStatementBackend;
     friend class SQLTransactionBackend;
 
     DatabaseBackendBase(DatabaseContext*, const String& name, const String& expectedVersion,
         const String& displayName, unsigned long estimatedSize);
 
     virtual bool openAndVerifyVersion(bool setVersionInNewDatabase, DatabaseError&, String& errorMessage) = 0;
@@ skipping 18 matching lines @@
 
     RefPtr<SecurityOrigin> m_contextThreadSecurityOrigin;
     RefPtrWillBeMember<DatabaseContext> m_databaseContext; // Associated with m_executionContext.
 
     String m_name;
     String m_expectedVersion;
     String m_displayName;
     unsigned long m_estimatedSize;
     String m_filename;
 
-    DatabaseBase* m_frontend;
+    Database* m_frontend;
 
 #if !LOG_DISABLED || !ERROR_DISABLED
     String databaseDebugName() const { return m_contextThreadSecurityOrigin->toString() + "::" + m_name; }
 #endif
 
 private:
     DatabaseGuid m_guid;
     bool m_opened;
     bool m_new;
 
     SQLiteDatabase m_sqliteDatabase;
 
     RefPtrWillBeMember<DatabaseAuthorizer> m_databaseAuthorizer;
 
     friend class DatabaseServer;
 };
 
 } // namespace blink
 
 #endif // DatabaseBackendBase_h