Fix header guards in //chrome

chrome/browser/ui/cocoa/autofill/autofill_dialog_constants.h

 // Copyright (c) 2013 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 CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_CONSTANTS__H_
-#define CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_CONSTANTS__H_
+#ifndef CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_CONSTANTS_H_
+#define CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_CONSTANTS_H_
 
 // Constants governing layout of autofill dialog.
 namespace autofill {
 
 // Horizontal padding between text and other elements (in pixels).
 const CGFloat kAroundTextPadding = 4;
 
 // Spacing between buttons.
 const CGFloat kButtonGap = 6;
 
 // The space between the edges of a notification bar and the text within (in
 // pixels).
 const int kNotificationPadding = 17;
 
 // Vertical spacing between legal text and details section.
 const int kVerticalSpacing = 8;
 
 // Padding between top bar and details section, as well as between the bottom of
 // the details section and the button strip.
 const int kDetailVerticalPadding = 10;
 
 // Fixed width for a single input field.
 const CGFloat kFieldWidth = 104;
 
 // Horizontal padding between fields
 const CGFloat kHorizontalFieldPadding = 8;
 
 }  // autofill
 
-#endif  // CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_CONSTANTS__H_
+#endif  // CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_CONSTANTS_H_