Conditionally draw a bezel below text fields, used for the omnibox....

chrome/browser/cocoa/location_bar/autocomplete_text_field_cell.mm

 // Copyright (c) 2010 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/cocoa/location_bar/autocomplete_text_field_cell.h"
 
 #include "base/logging.h"
 #import "chrome/browser/cocoa/image_utils.h"
 #import "chrome/browser/cocoa/location_bar/autocomplete_text_field.h"
 #import "chrome/browser/cocoa/location_bar/location_bar_decoration.h"
@@ skipping 130 matching lines @@
 @implementation AutocompleteTextFieldCell
 
 - (CGFloat)baselineAdjust {
   return kBaselineAdjust;
 }
 
 - (CGFloat)cornerRadius {
   return kCornerRadius;
 }
 
+- (BOOL)shouldDrawBezel {
+  return YES;
+}
+
 - (void)clearDecorations {
   leftDecorations_.clear();
   rightDecorations_.clear();
 }
 
 - (void)addLeftDecoration:(LocationBarDecoration*)decoration {
   leftDecorations_.push_back(decoration);
 }
 
 - (void)addRightDecoration:(LocationBarDecoration*)decoration {
@@ skipping 227 matching lines @@
                             &decorations, &decorationFrames, &textFrame);
 
   for (size_t i = 0; i < decorations.size(); ++i) {
     NSString* tooltip = decorations[i]->GetToolTip();
     if ([tooltip length] > 0)
       [controlView addToolTip:tooltip forRect:decorationFrames[i]];
   }
 }
 
 @end