Introduce InfoBarTabService API.

chrome/browser/ui/cocoa/infobars/before_translate_infobar_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.
 
 #include "chrome/browser/ui/cocoa/infobars/before_translate_infobar_controller.h"
 
 #include "base/sys_string_conversions.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_utilities.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 20 matching lines @@
 
 @implementation BeforeTranslateInfobarController
 
 - (void)dealloc {
   [neverTranslateButton_ setTarget:nil];
   [alwaysTranslateButton_ setTarget:nil];
   [super dealloc];
 }
 
 - (id)initWithDelegate:(InfoBarDelegate*)delegate
-                  owner:(InfoBarTabHelper*)owner {
+                  owner:(InfoBarTabService*)owner {
   if ((self = [super initWithDelegate:delegate owner:owner])) {
     [self initializeExtraControls];
   }
   return self;
 }
 
 - (void)initializeExtraControls {
   TranslateInfoBarDelegate* delegate = [self delegate];
   const string16& language = delegate->GetLanguageDisplayableNameAt(
       delegate->original_language_index());
@@ skipping 78 matching lines @@
 @implementation BeforeTranslateInfobarController (TestingAPI)
 
 - (NSButton*)alwaysTranslateButton {
   return alwaysTranslateButton_.get();
 }
 - (NSButton*)neverTranslateButton {
   return neverTranslateButton_.get();
 }
 
 @end