Oilpan: Prepare to move SQLResultSet and SQLResultSetRowList to oilpan heap.

Source/modules/webdatabase/SQLResultSet.cpp

 /*
  * Copyright (C) 2007 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "modules/webdatabase/SQLResultSet.h"
 
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
+#include "heap/Handle.h"
 
 namespace WebCore {
 
 SQLResultSet::SQLResultSet()
     : m_rows(SQLResultSetRowList::create())
     , m_insertId(0)
+    , m_rowsAffected(0)
     , m_insertIdSet(false)
-    , m_rowsAffected(0)
+    , m_isValid(false)
 {
     ScriptWrappable::init(this);
 }
 
+void SQLResultSet::trace(Visitor* visitor)
+{
+    visitor->trace(m_rows);
+}
+
 int64_t SQLResultSet::insertId(ExceptionState& exceptionState) const
 {
     // 4.11.4 - Return the id of the last row inserted as a result of the query
     // If the query didn't result in any rows being added, raise an InvalidAccessError exception
     if (m_insertIdSet)
         return m_insertId;
 
     exceptionState.throwDOMException(InvalidAccessError, "The query didn't result in any rows being added.");
     return -1;
 }
@@ skipping 12 matching lines @@
 {
     ASSERT(!m_insertIdSet);
 
     m_insertId = id;
     m_insertIdSet = true;
 }
 
 void SQLResultSet::setRowsAffected(int count)
 {
     m_rowsAffected = count;
+    m_isValid = true;
 }
 
 }