Introduce InfoBarTabService API.

chrome/browser/ui/views/infobars/translate_infobar_base.cc

 // 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/views/infobars/translate_infobar_base.h"
 
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/translate/translate_infobar_delegate.h"
 #include "chrome/browser/ui/views/infobars/after_translate_infobar.h"
 #include "chrome/browser/ui/views/infobars/before_translate_infobar.h"
 #include "chrome/browser/ui/views/infobars/translate_message_infobar.h"
 #include "grit/theme_resources.h"
 #include "ui/base/animation/slide_animation.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/views/controls/button/menu_button.h"
 #include "ui/views/controls/label.h"
 
 // TranslateInfoBarDelegate ---------------------------------------------------
 
-InfoBar* TranslateInfoBarDelegate::CreateInfoBar(InfoBarTabHelper* owner) {
+InfoBar* TranslateInfoBarDelegate::CreateInfoBar(InfoBarTabService* owner) {
+  InfoBarTabHelper* helper = static_cast<InfoBarTabHelper*>(owner);
   TranslateInfoBarBase* infobar = NULL;
   switch (type_) {
     case BEFORE_TRANSLATE:
-      infobar = new BeforeTranslateInfoBar(owner, this);
+      infobar = new BeforeTranslateInfoBar(helper, this);
       break;
     case AFTER_TRANSLATE:
-      infobar = new AfterTranslateInfoBar(owner, this);
+      infobar = new AfterTranslateInfoBar(helper, this);
       break;
     case TRANSLATING:
     case TRANSLATION_ERROR:
-      infobar = new TranslateMessageInfoBar(owner, this);
+      infobar = new TranslateMessageInfoBar(helper, this);
       break;
     default:
       NOTREACHED();
   }
   infobar_view_ = infobar;
   return infobar;
 }
 
 // TranslateInfoBarBase -------------------------------------------------------
 
@@ skipping 83 matching lines @@
 void TranslateInfoBarBase::FadeBackground(gfx::Canvas* canvas,
                                           double animation_value,
                                           const views::Background& background) {
   // Draw the background into an offscreen buffer with alpha value per animation
   // value, then blend it back into the current canvas.
   canvas->SaveLayerAlpha(static_cast<int>(animation_value * 255));
   canvas->sk_canvas()->drawARGB(0, 255, 255, 255, SkXfermode::kClear_Mode);
   background.Paint(canvas, this);
   canvas->Restore();
 }