ActiveScriptWrappable: GC wrappers in detached ExecutionContexts.

third_party/WebKit/Source/modules/filesystem/FileWriter.cpp

 /*
  * Copyright (C) 2010 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 32 matching lines @@
 static const int kMaxRecursionDepth = 3;
 static const double progressNotificationIntervalMS = 50;
 
 FileWriter* FileWriter::create(ExecutionContext* context) {
   FileWriter* fileWriter = new FileWriter(context);
   fileWriter->suspendIfNeeded();
   return fileWriter;
 }
 
 FileWriter::FileWriter(ExecutionContext* context)
-    : ActiveScriptWrappable(this),
+    : ActiveScriptWrappable<FileWriter>(this),
       SuspendableObject(context),
       m_readyState(kInit),
       m_operationInProgress(OperationNone),
       m_queuedOperation(OperationNone),
       m_bytesWritten(0),
       m_bytesToWrite(0),
       m_truncateLength(-1),
       m_numAborts(0),
       m_recursionDepth(0),
       m_lastProgressNotificationTimeMS(0) {}
@@ skipping 245 matching lines @@
 
 DEFINE_TRACE(FileWriter) {
   visitor->trace(m_error);
   visitor->trace(m_blobBeingWritten);
   EventTargetWithInlineData::trace(visitor);
   FileWriterBase::trace(visitor);
   SuspendableObject::trace(visitor);
 }
 
 }  // namespace blink