Rename SpellCheckCommon namespace to chrome.

chrome/common/spellcheck_common.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/common/spellcheck_common.h"
 
 #include "base/file_path.h"
 
-namespace SpellCheckCommon {
+namespace chrome {
+namespace spellcheck_common {
 
 static const struct {
   // The language.
   const char* language;
 
   // The corresponding language and region, used by the dictionaries.
   const char* language_region;
 } g_supported_spellchecker_languages[] = {
   // Several languages are not to be included in the spellchecker list:
   // th-TH, uk-UA
@@ skipping 150 matching lines @@
 }
 
 
 void SpellCheckLanguages(std::vector<std::string>* languages) {
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(g_supported_spellchecker_languages);
        ++i) {
     languages->push_back(g_supported_spellchecker_languages[i].language);
   }
 }
 
-}  // namespace SpellCheckCommon
+}  // namespace spellcheck_common
+}  // namespace chrome