Avoid basename conflict in text_composition

ui/base/ime/chromeos/composition_text_chromeos.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 UI_BASE_IME_CHROMEOS_COMPOSITION_TEXT_H_
-#define UI_BASE_IME_CHROMEOS_COMPOSITION_TEXT_H_
+#ifndef UI_BASE_IME_CHROMEOS_COMPOSITION_TEXT_CHROMEOS_H_
+#define UI_BASE_IME_CHROMEOS_COMPOSITION_TEXT_CHROMEOS_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "ui/base/ime/ui_base_ime_export.h"
 
 namespace chromeos {
 
@@ skipping 43 matching lines @@
   base::string16 text_;
   std::vector<UnderlineAttribute> underline_attributes_;
   uint32 selection_start_;
   uint32 selection_end_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositionText);
 };
 
 }  // namespace chromeos
 
-#endif  // UI_BASE_IME_CHROMEOS_COMPOSITION_TEXT_H_
+#endif  // UI_BASE_IME_CHROMEOS_COMPOSITION_TEXT_CHROMEOS_H_