Remove "2" suffixes from options2 code.

chrome/browser/ui/webui/options2/advanced_options_utils.h

Index: chrome/browser/ui/webui/options2/advanced_options_utils.h
diff --git a/chrome/browser/ui/webui/options2/advanced_options_utils2.h b/chrome/browser/ui/webui/options2/advanced_options_utils.h
similarity index 83%
rename from chrome/browser/ui/webui/options2/advanced_options_utils2.h
rename to chrome/browser/ui/webui/options2/advanced_options_utils.h
index 0136cd7829e150fdd0d3774b4507a62d47dd4b4b..cc91a95d0606edfeef2ad0293d6bc1f1f0b1d173 100644
--- a/chrome/browser/ui/webui/options2/advanced_options_utils2.h
+++ b/chrome/browser/ui/webui/options2/advanced_options_utils.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_ADVANCED_OPTIONS_UTILS2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_ADVANCED_OPTIONS_UTILS2_H_
+#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_ADVANCED_OPTIONS_UTILS_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_ADVANCED_OPTIONS_UTILS_H_
 
 #include "base/basictypes.h"
 
@@ -28,4 +28,4 @@ class AdvancedOptionsUtilities {
 
 }  // namespace options2
 
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_ADVANCED_OPTIONS_UTILS2_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_ADVANCED_OPTIONS_UTILS_H_