Fix garbage collection with ColdModeSpellCheckRequester

third_party/WebKit/Source/core/editing/spellcheck/ColdModeSpellCheckRequester.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ColdModeSpellCheckRequester_h
 #define ColdModeSpellCheckRequester_h
 
 #include "core/editing/EphemeralRange.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class IdleDeadline;
 class SpellCheckRequester;
 
 // This class is only supposed to be used by IdleSpellCheckCallback in cold mode
 // invocation. Not to be confused with SpellCheckRequester.
 class ColdModeSpellCheckRequester
-    : public GarbageCollectedFinalized<ColdModeSpellCheckRequester> {
+    : public GarbageCollected<ColdModeSpellCheckRequester> {
  public:
   static ColdModeSpellCheckRequester* create(LocalFrame&);
-  ~ColdModeSpellCheckRequester();
 
   void setNeedsMoreInvocationForTesting() {
     m_needsMoreInvocationForTesting = true;
   }
 
   void invoke(IdleDeadline*);
   bool fullDocumentChecked() const;
 
+  DECLARE_TRACE();
+
  private:
   explicit ColdModeSpellCheckRequester(LocalFrame&);
 
   LocalFrame& frame() const { return *m_frame; }
   SpellCheckRequester& spellCheckRequester() const;
 
   // Perform checking task incrementally based on the stored state.
   void step();
 
   void searchForNextRootEditable();
   void initializeForCurrentRootEditable();
   bool haveMoreChunksToCheck();
   void requestCheckingForNextChunk();
   void finishCheckingCurrentRootEditable();
 
   void resetCheckingProgress();
   void chunkAndRequestFullCheckingFor(const Element&);
 
   const Member<LocalFrame> m_frame;
   Member<Node> m_nextNode;
   Member<Element> m_currentRootEditable;
   int m_currentFullLength;
   int m_currentChunkIndex;
   Position m_currentChunkStart;
   uint64_t m_lastCheckedDOMTreeVersion;
   mutable bool m_needsMoreInvocationForTesting;
 
-  DECLARE_TRACE();
   DISALLOW_COPY_AND_ASSIGN(ColdModeSpellCheckRequester);
 };
 }
 
 #endif