Reviewed by Sam.

    Reviewed by Sam.

        Add new SQL callback interfaces and JS implementations of them.

        * DerivedSources.make:
        * WebCore.xcodeproj/project.pbxproj:
        * bindings/js/JSCustomSQLStatementCallback.cpp: Added.
        (WebCore::JSCustomSQLStatementCallback::JSCustomSQLStatementCallback):
        (WebCore::JSCustomSQLStatementCallback::handleEvent):
        * bindings/js/JSCustomSQLStatementCallback.h: Added.
        * bindings/js/JSCustomSQLStatementErrorCallback.cpp: Added.
        (WebCore::JSCustomSQLStatementErrorCallback::JSCustomSQLStatementErrorCallback):
        (WebCore::JSCustomSQLStatementErrorCallback::handleEvent):
        * bindings/js/JSCustomSQLStatementErrorCallback.h: Added.
        * bindings/js/JSCustomSQLTransactionCallback.cpp: Added.
        (WebCore::JSCustomSQLTransactionCallback::JSCustomSQLTransactionCallback):
        (WebCore::JSCustomSQLTransactionCallback::handleEvent):
        * bindings/js/JSCustomSQLTransactionCallback.h: Added.
        * bindings/js/JSCustomSQLTransactionErrorCallback.cpp: Added.
        (WebCore::JSCustomSQLTransactionErrorCallback::JSCustomSQLTransactionErrorCallback):
        (WebCore::JSCustomSQLTransactionErrorCallback::handleEvent):
        * bindings/js/JSCustomSQLTransactionErrorCallback.h: Added.
        * storage/JSCustomSQLStatementCallback.h: Added.
        * storage/JSCustomSQLStatementErrorCallback.h: Added.
        * storage/JSCustomSQLTransactionCallback.h: Added.
        * storage/JSCustomSQLTransactionErrorCallback.h: Added.
        * storage/SQLStatementCallback.h: Added.
        (WebCore::SQLStatementCallback::~SQLStatementCallback):
        * storage/SQLStatementCallback.idl: Added.
        * storage/SQLStatementErrorCallback.h: Added.
        (WebCore::SQLStatementErrorCallback::~SQLStatementErrorCallback):
        * storage/SQLStatementErrorCallback.idl: Added.
        * storage/SQLTransaction.h: Added.
        * storage/SQLTransaction.idl: Added.
        * storage/SQLTransactionCallback.h: Added.
        (WebCore::SQLTransactionCallback::~SQLTransactionCallback):
        * storage/SQLTransactionCallback.idl: Added.
        * storage/SQLTransactionErrorCallback.h: Added.
        (WebCore::SQLTransactionErrorCallback::~SQLTransactionErrorCallback):
        * storage/SQLTransactionErrorCallback.idl: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@27335 268f45cc-cd09-0410-ab3c-d52691b4dbfc