Add/remove spell checking markers in text inputs depending on focus.

Source/core/editing/SpellChecker.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:
  * 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 173 matching lines @@
     if (m_timerToProcessQueuedRequest.isActive() || m_processingRequest) {
         enqueueRequest(request);
         return;
     }
 
     invokeRequest(request);
 }
 
 void SpellChecker::cancelCheck()
 {
-    if (!m_requestQueue.isEmpty())
-        m_requestQueue.clear();

[tony, 2013/07/31 20:59:29]

I don't understand this change.  Why are we no longer emptying the queue?

     if (m_processingRequest)
         m_processingRequest->didCancel();
 }
 
 void SpellChecker::invokeRequest(PassRefPtr<SpellCheckRequest> request)
 {
     ASSERT(!m_processingRequest);
     if (!client())
         return;
     m_processingRequest = request;
@@ skipping 49 matching lines @@
     didCheck(sequence, results);
 }
 
 void SpellChecker::didCheckCancel(int sequence)
 {
     Vector<TextCheckingResult> results;
     didCheck(sequence, results);
 }
 
 } // namespace WebCore