Rename SpellCheckCommon namespace to chrome.

chrome/common/spellcheck_common.h

Index: chrome/common/spellcheck_common.h
diff --git a/chrome/common/spellcheck_common.h b/chrome/common/spellcheck_common.h
index cafffa84762bbe3cf30e5ef4045afec60d3c1326..e4ce07275ff5ec1bfa713260ca04f90310b48863 100644
--- a/chrome/common/spellcheck_common.h
+++ b/chrome/common/spellcheck_common.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -11,7 +11,8 @@
 
 class FilePath;
 
-namespace SpellCheckCommon {
+namespace chrome {
+namespace spellcheck_common {
 
 // Max number of dictionary suggestions.
 static const int kMaxSuggestions = 5;
@@ -26,6 +27,7 @@ std::string GetCorrespondingSpellCheckLanguage(const std::string& language);
 // Get SpellChecker supported languages.
 void SpellCheckLanguages(std::vector<std::string>* languages);
 
-}  // namespace SpellCheckCommon
+}  // namespace spellcheck_common
+}  // namespace chrome
 
 #endif  // CHROME_COMMON_SPELLCHECK_COMMON_H_