Move Mac to using renderer spellchecker.

chrome/browser/spellchecker_linux.cc

 // Copyright (c) 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.
 
 // If linux ever gains a platform specific spellchecker, it will be
 // implemented here.
 
-#include "base/string16.h"
-#include "chrome/browser/spellchecker_common.h"
+#include "spellchecker_platform_engine.h"
 
 namespace SpellCheckerPlatform {
 
 bool SpellCheckerAvailable() {
   // As of Summer 2009, there is no commonly accepted platform spellchecker
-  // for linux, so we'll return false here.
+  // for Linux, so we'll return false here.
   return false;
 }
 
 // The following methods are just stubs to keep the linker happy.
 bool PlatformSupportsLanguage(const std::string& current_language) {
   return false;
 }
 
 void GetAvailableLanguages(std::vector<std::string>* spellcheck_languages) {
   spellcheck_languages->clear();
@@ skipping 21 matching lines @@
 
 void FillSuggestionList(const string16& wrong_word,
                         std::vector<string16>* optional_suggestions) {}
 
 void AddWord(const string16& word) {}
 
 void RemoveWord(const string16& word) {}
 
 int GetDocumentTag() { return 0; }
 
-void IgnoreWord(const std::string& word) {}
+void IgnoreWord(const string16& word) {}
 
 void CloseDocumentWithTag(int tag) {}
 
 }  // namespace SpellCheckerPlatform