Use ChromeThread::DeleteOnIOThread in a few places where an object must be de...

chrome/browser/spellchecker.h

 // Copyright (c) 2006-2009 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 CHROME_BROWSER_SPELLCHECKER_H_
 #define CHROME_BROWSER_SPELLCHECKER_H_
 
 #include <queue>
 #include <string>
 #include <vector>
 
 #include "app/l10n_util.h"
 #include "base/string16.h"
 #include "base/task.h"
 #include "base/time.h"
-#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/net/url_fetcher.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/spellcheck_worditerator.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/pref_member.h"
 #include "unicode/uscript.h"
 
 class FilePath;
 class Hunspell;
 class PrefService;
 class Profile;
 class URLFetcher;
 class URLRequestContextGetter;
 
 namespace file_util {
 class MemoryMappedFile;
 }
 
 // The Browser's Spell Checker. It checks and suggests corrections.
 //
 // This object is not threadsafe. In normal usage (not unit tests) it lives on
 // the I/O thread of the browser. It is threadsafe refcounted so that I/O thread
 // and the profile on the main thread (which gives out references to it) can
 // keep it. However, all usage of this must be on the I/O thread.
 //
 // This object should also be deleted on the I/O thread only. It owns a
 // reference to URLRequestContext which in turn owns the cache, etc. and must be
 // deleted on the I/O thread itself.
-class SpellChecker : public base::RefCountedThreadSafe<SpellChecker>,
-                     public URLFetcher::Delegate {
+class SpellChecker
+    : public base::RefCountedThreadSafe<
+          SpellChecker, ChromeThread::DeleteOnIOThread>,
+      public URLFetcher::Delegate {
  public:
   // Creates the spellchecker by reading dictionaries from the given directory,
   // and defaulting to the given language. Both strings must be provided.
   //
   // The request context is used to download dictionaries if they do not exist.
   // This can be NULL if you don't want this (like in tests).
   // The |custom_dictionary_file_name| should be left blank so that Spellchecker
   // can figure out the custom dictionary file. It is non empty only for unit
   // testing.
   SpellChecker(const FilePath& dict_dir,
@@ skipping 177 matching lines @@
   std::queue<std::string> custom_words_;
 
   // Used for generating callbacks to spellchecker, since spellchecker is a
   // non-reference counted object.
   ScopedRunnableMethodFactory<SpellChecker> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SpellChecker);
 };
 
 #endif  // CHROME_BROWSER_SPELLCHECKER_H_