[Mac] Fix for find bar text issue

chrome/browser/ui/cocoa/find_bar/find_bar_cocoa_controller.mm

 // Copyright (c) 2012 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 <Cocoa/Cocoa.h>
 
 #include "base/auto_reset.h"
 #include "base/mac/bundle_locations.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ skipping 438 matching lines @@
   if ([searchString length] > 0 && validRange) {
     [[findText_ findBarTextFieldCell]
         setActiveMatch:result.active_match_ordinal()
                     of:result.number_of_matches()];
   } else {
     // If there was no text entered, we don't show anything in the results area.
     [[findText_ findBarTextFieldCell] clearResults];
   }
 
   [findText_ resetFieldEditorFrameIfNeeded];
+  [findText_ setNeedsDisplay:YES];
 
   // If we found any results, reset the focus tracker, so we always
   // restore focus to the tab contents.
   if (result.number_of_matches() > 0)
     focusTracker_.reset(nil);
 
   // Adjust the FindBar position, even when there are no matches (so that it
   // goes back to the default position, if required).
   [self moveFindBarIfNecessary:[self isFindBarVisible]];
 }
@@ skipping 187 matching lines @@
 }
 
 - (BrowserWindowController*)browserWindowController {
   if (!browser_)
     return nil;
   return [BrowserWindowController
       browserWindowControllerForWindow:browser_->window()->GetNativeWindow()];
 }
 
 @end