Fix //third_party/cec to not disable -Wunused-function.

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

 // 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.
 
 #import "chrome/browser/ui/cocoa/omnibox/omnibox_popup_cell.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 82 matching lines @@
   return OmniboxViewMac::GetLargeFont();
 }
 NSFont* LargeSuperscriptFont() {
   NSFont* font = OmniboxViewMac::GetLargeFont();
   // Calculate a slightly smaller font. The ratio here is somewhat arbitrary.
   // Proportions from 5/9 to 5/7 all look pretty good.
   CGFloat size = [font pointSize] * 5.0 / 9.0;
   NSFontDescriptor* descriptor = [font fontDescriptor];
   return [NSFont fontWithDescriptor:descriptor size:size];
 }
-NSFont* SmallFont() {
-  return OmniboxViewMac::GetSmallFont();
-}
 
 // Sets the writing direction to |direction| for a given |range| of
 // |attributedString|.
 void SetTextDirectionForRange(NSMutableAttributedString* attributedString,
                               NSWritingDirection direction,
                               NSRange range) {
   base::scoped_nsobject<NSMutableParagraphStyle> paragraph_style(
       [[NSMutableParagraphStyle alloc] init]);
   [paragraph_style setBaseWritingDirection:direction];
   [attributedString addAttribute:NSParagraphStyleAttributeName
@@ skipping 566 matching lines @@
   base::string16 raw_separator =
       l10n_util::GetStringUTF16(IDS_AUTOCOMPLETE_MATCH_DESCRIPTION_SEPARATOR);
   return CreateAttributedString(raw_separator, DimTextColor(isDarkTheme));
 }
 
 + (CGFloat)getContentAreaWidth:(NSRect)cellFrame {
   return NSWidth(cellFrame) - kMaterialTextStartOffset;
 }
 
 @end