[Mac] Add a strikethrough through insecure url schemes....

chrome/browser/autocomplete/autocomplete_edit_view_mac.mm

 // Copyright (c) 2009 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.
 
 #include "chrome/browser/autocomplete/autocomplete_edit_view_mac.h"
 
 #include <Carbon/Carbon.h>  // kVK_Return
 #include "app/gfx/font.h"
 #include "app/l10n_util_mac.h"
 #include "app/resource_bundle.h"
@@ skipping 400 matching lines @@
   }
 
   // Emphasize the scheme for security UI display purposes (if necessary).
   if (!model_->user_input_in_progress() && parts.scheme.is_nonempty() &&
       (scheme_security_level != ToolbarModel::NORMAL)) {
     NSColor* color;
     if (scheme_security_level == ToolbarModel::SECURE) {
       color = SecureSchemeColor();
     } else {
       color = InsecureSchemeColor();
+      // Add a strikethrough through the scheme.
+      [as addAttribute:NSStrikethroughStyleAttributeName
+                 value:[NSNumber numberWithInt:NSUnderlineStyleSingle]
+                 range:ComponentToNSRange(parts.scheme)];
     }
     [as addAttribute:NSForegroundColorAttributeName value:color
                range:ComponentToNSRange(parts.scheme)];
   }
 
   [field_ setObjectValue:as];
 
   // TODO(shess): This may be an appropriate place to call:
   //   controller_->OnChanged();
   // In the current implementation, this tells LocationBarViewMac to
@@ skipping 442 matching lines @@
 - (void)control:(NSControl*)control textDidPasteAndGo:(NSText*)fieldEditor {
   edit_view_->OnPasteAndGo();
 }
 
 // Signal that we've lost focus when the window resigns key.
 - (void)windowDidResignKey:(NSNotification*)notification {
   edit_view_->OnDidResignKey();
 }
 
 @end