Remove Hunspell on OS X - step 2

chrome/browser/spellchecker/spellcheck_platform_mac.mm

 // Copyright (c) 2011 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.
 
-// This file implements the interface defined in spellchecker_platform_engine.h
-// for the OS X platform.
+// Integration with OS X native spellchecker.
 
-#include "chrome/browser/spellchecker/spellchecker_platform_engine.h"
+#include "chrome/browser/spellchecker/spellcheck_platform_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/sys_string_conversions.h"
 #include "base/task.h"
 #include "base/time.h"
 #include "chrome/common/spellcheck_common.h"
 #include "chrome/common/spellcheck_messages.h"
@@ skipping 123 matching lines @@
       [lang_code characterAtIndex:kShortLanguageCodeSize] == '_') {
     return base::SysNSStringToUTF8([NSString stringWithFormat:@"%@-%@",
                 [lang_code substringToIndex:kShortLanguageCodeSize],
                 [lang_code substringFromIndex:(kShortLanguageCodeSize + 1)]]);
   }
   return base::SysNSStringToUTF8(lang_code);
 }
 
 } // namespace
 
-namespace SpellCheckerPlatform {
+namespace spellcheck_mac {
 
 void GetAvailableLanguages(std::vector<std::string>* spellcheck_languages) {
   NSArray* availableLanguages = [[NSSpellChecker sharedSpellChecker]
                         availableLanguages];
   for (NSString* lang_code in availableLanguages) {
     spellcheck_languages->push_back(
               ConvertLanguageCodeFromMac(lang_code));
   }
 }
 
@@ skipping 30 matching lines @@
 
 void UpdateSpellingPanelWithMisspelledWord(const string16& word) {
   NSString * word_to_display = base::SysUTF16ToNSString(word);
   [[NSSpellChecker sharedSpellChecker]
       performSelectorOnMainThread:
         @selector(updateSpellingPanelWithMisspelledWord:)
                        withObject:word_to_display
                     waitUntilDone:YES];
 }
 
-void Init() {
-}
-
 bool PlatformSupportsLanguage(const std::string& current_language) {
   // First, convert the language to an OS X language code.
   NSString* mac_lang_code = ConvertLanguageCodeToMac(current_language);
 
   // Then grab the languages available.
   NSArray* availableLanguages;
   availableLanguages = [[NSSpellChecker sharedSpellChecker]
                         availableLanguages];
 
   // Return true if the given language is supported by OS X.
@@ skipping 74 matching lines @@
 void RequestTextCheck(int route_id,
                       int identifier,
                       int document_tag,
                       const string16& text, BrowserMessageFilter* destination) {
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       new TextCheckingTask(
           destination, route_id, identifier, text, document_tag));
 }
 
-}  // namespace SpellCheckerPlatform
+}  // namespace spellcheck_mac