Fix translate namespace

components/translate/core/common/translate_errors.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_TRANSLATE_CORE_COMMON_TRANSLATE_ERRORS_H_
 #define COMPONENTS_TRANSLATE_CORE_COMMON_TRANSLATE_ERRORS_H_
 
 #include "base/basictypes.h"
 
+namespace translate {
+
 // This file consolidates all the error types for translation of a page.
 // Note: TranslateErrors is used for UMA and translate_internals.js.
 // Assigned numbers should be changed because the number is binded to UMA value.
 // enum TranslateError in histograms.xml and errorStrs in translate_internals.js
 // should be updated when the type is updated.
 
 class TranslateErrors {
  public:
   enum Type {
     NONE = 0,
@@ skipping 11 matching lines @@
     SCRIPT_LOAD_ERROR,        // Loader fails to load a dependent JavaScript.
     TRANSLATE_ERROR_MAX,
   };
 
  private:
   TranslateErrors() {}
 
   DISALLOW_COPY_AND_ASSIGN(TranslateErrors);
 };
 
+}  // namespace translate
+
 #endif  // COMPONENTS_TRANSLATE_CORE_COMMON_TRANSLATE_ERRORS_H_