[Mac] Restore bookmark bar no items text field to uneditable

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_view_cocoa.mm

 // Copyright (c) 2011 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/bookmarks/bookmark_bar_view_cocoa.h"
 
 #include "chrome/browser/profiles/profile.h"
 #import "chrome/browser/themes/theme_properties.h"
 #import "chrome/browser/themes/theme_service.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
@@ skipping 75 matching lines @@
     [noItemContainer_ setAutoresizingMask:NSViewMaxXMargin];
 
     noItemTextfield_.reset([[NSTextField alloc]
         initWithFrame:NSMakeRect(kInitialTextFieldXOrigin,
                                  kInitialElementYOrigin, CGFLOAT_MAX,
                                  kInitialElementHeight)]);
     [noItemTextfield_ setAutoresizingMask:NSViewWidthSizable];
     [noItemTextfield_ setFont:smallSystemFont];
     [noItemTextfield_
         setStringValue:l10n_util::GetNSString(IDS_BOOKMARKS_NO_ITEMS)];
+    [noItemTextfield_ setEditable:NO];
 
     [noItemTextfield_ setBordered:NO];
     [[noItemTextfield_ cell] setLineBreakMode:NSLineBreakByTruncatingTail];
 
     [noItemTextfield_ setTextColor:[NSColor controlTextColor]];
     [noItemTextfield_ setBackgroundColor:[NSColor controlColor]];
 
     [noItemTextfield_ setDrawsBackground:NO];
     [noItemTextfield_ setTextColor:[NSColor controlTextColor]];
     [noItemTextfield_ setBackgroundColor:[NSColor controlColor]];
@@ skipping 237 matching lines @@
 
 - (NSMenu*)menu {
   return [[controller_ menuController] menuForBookmarkBar];
 }
 
 - (ViewID)viewID {
   return VIEW_ID_BOOKMARK_BAR;
 }
 
 @end  // @implementation BookmarkBarView