Remove refptr usages from SpellCheckHost

chrome/browser/spellchecker/spellcheck_host_impl.h

Index: chrome/browser/spellchecker/spellcheck_host_impl.h
diff --git a/chrome/browser/spellchecker/spellcheck_host_impl.h b/chrome/browser/spellchecker/spellcheck_host_impl.h
index e53b2c7c1fb46a8f3328928c79b1cc330ec2c205..0470fb583c2411120f422b272da431059b7a84f8 100644
--- a/chrome/browser/spellchecker/spellcheck_host_impl.h
+++ b/chrome/browser/spellchecker/spellcheck_host_impl.h
@@ -9,8 +9,10 @@
 #include <string>
 #include <vector>
 
+#include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "chrome/browser/spellchecker/spellcheck_host.h"
 #include "chrome/browser/spellchecker/spellcheck_profile_provider.h"
 #include "content/public/common/url_fetcher_delegate.h"
@@ -46,15 +48,17 @@ class SpellCheckHostImpl : public SpellCheckHost,
                      net::URLRequestContextGetter* request_context_getter,
                      SpellCheckHostMetrics* metrics);
 
+  virtual ~SpellCheckHostImpl();
+
   void Initialize();
 
   // SpellCheckHost implementation
-  virtual void UnsetProfile();
-  virtual void InitForRenderer(RenderProcessHost* process);
-  virtual void AddWord(const std::string& word);
-  virtual const base::PlatformFile& GetDictionaryFile() const;
-  virtual const std::string& GetLanguage() const;
-  virtual bool IsUsingPlatformChecker() const;
+  virtual void UnsetProfile() OVERRIDE;
+  virtual void InitForRenderer(RenderProcessHost* process) OVERRIDE;
+  virtual void AddWord(const std::string& word) OVERRIDE;
+  virtual const base::PlatformFile& GetDictionaryFile() const OVERRIDE;
+  virtual const std::string& GetLanguage() const OVERRIDE;
+  virtual bool IsUsingPlatformChecker() const OVERRIDE;
 
  private:
   typedef SpellCheckProfileProvider::CustomWordList CustomWordList;
@@ -63,8 +67,6 @@ class SpellCheckHostImpl : public SpellCheckHost,
   friend class BrowserThread;
   friend class DeleteTask<SpellCheckHostImpl>;
 
-  virtual ~SpellCheckHostImpl();
-
   // Figure out the location for the dictionary. This is only non-trivial for
   // Windows:
   // The default place whether the spellcheck dictionary can reside is
@@ -72,12 +74,9 @@ class SpellCheckHostImpl : public SpellCheckHost,
   // this directory may not have permissions for download. In that case, the
   // alternate directory for download is chrome::DIR_USER_DATA.
   void InitializeDictionaryLocation();
+  void InitializeDictionaryLocationComplete();
 
-  // Load and parse the custom words dictionary and open the bdic file.
-  // Executed on the file thread.
-  void InitializeInternal();
-
-  void InitializeOnFileThread();
+  void AddWordComplete(const std::string& word);
 
   // Inform |profile_| that initialization has finished.
   // |custom_words| holds the custom word list which was
@@ -159,6 +158,10 @@ class SpellCheckHostImpl : public SpellCheckHost,
   // An optional metrics counter given by the constructor.
   SpellCheckHostMetrics* metrics_;
 
+  base::WeakPtrFactory<SpellCheckHostImpl> weak_ptr_factory_;
+
+  scoped_ptr<CustomWordList> custom_words_;
+
   DISALLOW_COPY_AND_ASSIGN(SpellCheckHostImpl);
 };