Trigger spell check/remove markers if spell checker gets enabled/disabled.

Source/core/editing/SpellChecker.h

 /*
  * 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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 28 matching lines @@
 namespace WebCore {
 
 class Frame;
 class Node;
 class TextCheckerClient;
 class SpellChecker;
 
 class SpellCheckRequest : public TextCheckingRequest {
 public:
     static PassRefPtr<SpellCheckRequest> create(TextCheckingTypeMask, TextCheckingProcessType, PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange);
+    static PassRefPtr<SpellCheckRequest> create(TextCheckingTypeMask, TextCheckingProcessType, PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange, int requestNo);

[tony, 2013/08/12 19:45:15]

resquestNo -> requestNumber.  We don't normally use abbreviations in blink code.

Also, I would merge this with the above create() method and give requestNumber a
default value of 0.

     virtual ~SpellCheckRequest();
 
     PassRefPtr<Range> checkingRange() const { return m_checkingRange; }
     PassRefPtr<Range> paragraphRange() const { return m_paragraphRange; }
     PassRefPtr<Element> rootEditableElement() const { return m_rootEditableElement; }
 
     void setCheckerAndSequence(SpellChecker*, int sequence);
     void requesterDestroyed();
     bool isStarted() const { return m_checker; }
 
     virtual const TextCheckingRequestData& data() const OVERRIDE;
     virtual void didSucceed(const Vector<TextCheckingResult>&) OVERRIDE;
     virtual void didCancel() OVERRIDE;
 
+    int requestNo() { return m_requestNo; }
+
 private:
-    SpellCheckRequest(PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange, const String&, TextCheckingTypeMask, TextCheckingProcessType, const Vector<uint32_t>& documentMarkersInRange, const Vector<unsigned>& documentMarkerOffsets);
+    SpellCheckRequest(PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange, const String&, TextCheckingTypeMask, TextCheckingProcessType, const Vector<uint32_t>& documentMarkersInRange, const Vector<unsigned>& documentMarkerOffsets, int requestNo);
 
     SpellChecker* m_checker;
     RefPtr<Range> m_checkingRange;
     RefPtr<Range> m_paragraphRange;
     RefPtr<Element> m_rootEditableElement;
     TextCheckingRequestData m_requestData;
+    int m_requestNo;
 };
 
 class SpellChecker {
     WTF_MAKE_NONCOPYABLE(SpellChecker); WTF_MAKE_FAST_ALLOCATED;
 public:
     friend class SpellCheckRequest;
 
     explicit SpellChecker(Frame*);
     ~SpellChecker();
 
@@ skipping 31 matching lines @@
 
     Timer<SpellChecker> m_timerToProcessQueuedRequest;
 
     RefPtr<SpellCheckRequest> m_processingRequest;
     RequestQueue m_requestQueue;
 };
 
 } // namespace WebCore
 
 #endif // SpellChecker_h