Fetch the translate script regularly

chrome/browser/cocoa/translate/translate_message_infobar_controller.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.
 
 #include "chrome/browser/cocoa/translate/translate_message_infobar_controller.h"
 
 #include "base/sys_string_conversions.h"
 
 using TranslateInfoBarUtilities::MoveControl;
 
 @implementation TranslateMessageInfobarController
 
 - (id)initWithDelegate:(InfoBarDelegate*)delegate {
   if ((self = [super initWithDelegate:delegate])) {
     TranslateInfoBarDelegate* delegate = [self delegate];
     if (delegate->IsError())
-      state_ = TranslateInfoBarDelegate::kTranslationError;
+      state_ = TranslateInfoBarDelegate::TRANSLATION_ERROR;
     else
-      state_ = TranslateInfoBarDelegate::kTranslating;
+      state_ = TranslateInfoBarDelegate::TRANSLATING;
   }
   return self;
 }
 
 - (void)layout {
   [optionsPopUp_ setHidden:YES];
   [self removeOkCancelButtons];
   MoveControl(label1_, tryAgainButton_, spaceBetweenControls_ * 2, true);
   TranslateInfoBarDelegate* delegate = [self delegate];
   if (delegate->IsError())
     MoveControl(label1_, tryAgainButton_, spaceBetweenControls_ * 2, true);
 }
 
 - (void)adjustOptionsButtonSizeAndVisibilityForView:(NSView*)lastView {
   // Do nothing, but stop the options button from showing up.
 }
 
 - (NSArray*)visibleControls {
   NSMutableArray* visibleControls =
       [NSMutableArray arrayWithObjects:label1_.get(), nil];
-  if (state_ == TranslateInfoBarDelegate::kTranslationError)
+  if (state_ == TranslateInfoBarDelegate::TRANSLATION_ERROR)
     [visibleControls addObject:tryAgainButton_];
   return visibleControls;
 }
 
 - (void)loadLabelText {
   TranslateInfoBarDelegate* delegate = [self delegate];
   string16 messageText = delegate->GetMessageInfoBarText();
   NSString* string1 = base::SysUTF16ToNSString(messageText);
   [label1_ setStringValue:string1];
 }
 
 - (bool)verifyLayout {
   if (![optionsPopUp_ isHidden])
     return false;
   return [super verifyLayout];
 }
 
 @end