Omnibox UI: Create right-margin on Cocoa dropdown

chrome/browser/ui/cocoa/omnibox/omnibox_popup_cell.h

 // Copyright 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_OMNIBOX_OMNIBOX_POPUP_CELL_H_
 #define CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_POPUP_CELL_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
@@ skipping 48 matching lines @@
 
 - (void)drawMatchWithFrame:(NSRect)cellFrame inView:(NSView*)controlView;
 
 // Returns the offset of the start of the contents in the input text for the
 // given match. It is costly to compute this offset, so it is computed once and
 // shared by all OmniboxPopupCell instances through OmniboxPopupViewMac parent.
 + (CGFloat)computeContentsOffset:(const AutocompleteMatch&)match;
 
 + (NSAttributedString*)createSeparatorStringForDarkTheme:(BOOL)isDarkTheme;
 
-+ (CGFloat)getContentAreaWidth:(NSRect)cellFrame;
++ (CGFloat)getTextContentAreaWidth:(CGFloat)cellContentMaxWidth;
 
 + (CGFloat)getContentTextHeightForDoubleLine:(BOOL)isDoubleLine;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_POPUP_CELL_H_