Move Mac to using renderer spellchecker.

chrome/renderer/render_thread.h

Index: chrome/renderer/render_thread.h
===================================================================
--- chrome/renderer/render_thread.h	(revision 32394)
+++ chrome/renderer/render_thread.h	(working copy)
@@ -124,11 +124,9 @@
     return socket_stream_dispatcher_.get();
   }
 
-#if defined(SPELLCHECKER_IN_RENDERER)
   SpellCheck* spellchecker() const {
     return spellchecker_.get();
   }
-#endif
 
   bool plugin_refresh_allowed() const { return plugin_refresh_allowed_; }
 
@@ -148,11 +146,6 @@
   // Sends a message to the browser to enable or disable the disk cache.
   void SetCacheMode(bool enabled);
 
-#if defined(SPELLCHECKER_IN_RENDERER)
-  // Send a message to the browser to request a spellcheck dictionary.
-  void RequestSpellCheckDictionary();
-#endif
-
  private:
   virtual void OnControlMessageReceived(const IPC::Message& msg);
 
@@ -200,14 +193,12 @@
   void OnPurgeMemory();
   void OnPurgePluginListCache(bool reload_pages);
 
-#if defined(SPELLCHECKER_IN_RENDERER)
   void OnInitSpellChecker(IPC::PlatformFileForTransit bdict_file,
                           const std::vector<std::string>& custom_words,
                           const std::string& language,
                           bool auto_spell_correct);
   void OnSpellCheckWordAdded(const std::string& word);
   void OnSpellCheckEnableAutoSpellCorrect(bool enable);
-#endif
 
   // Gather usage statistics from the in-memory cache and inform our host.
   // These functions should be call periodically so that the host can make
@@ -232,9 +223,7 @@
   scoped_ptr<WebKit::WebStorageEventDispatcher> dom_storage_event_dispatcher_;
   scoped_ptr<SocketStreamDispatcher> socket_stream_dispatcher_;
   scoped_ptr<RendererWebDatabaseObserver> renderer_web_database_observer_;
-#if defined(SPELLCHECKER_IN_RENDERER)
   scoped_ptr<SpellCheck> spellchecker_;
-#endif
 
   // Used on the renderer and IPC threads.
   scoped_refptr<DBMessageFilter> db_message_filter_;