Introduce InfoBarTabService API.

chrome/browser/extensions/extension_install_ui_default.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/extensions/extension_install_ui_default.h"
 
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
@@ skipping 168 matching lines @@
   if (!browser)
     return;
 
   TabContents* tab_contents = chrome::GetActiveTabContents(browser);
   if (!tab_contents)
     return;
   InfoBarTabHelper* infobar_helper = tab_contents->infobar_tab_helper();
 
   // First find any previous theme preview infobars.
   InfoBarDelegate* old_delegate = NULL;
-  for (size_t i = 0; i < infobar_helper->infobar_count(); ++i) {
+  for (size_t i = 0; i < infobar_helper->GetInfoBarCount(); ++i) {
     InfoBarDelegate* delegate = infobar_helper->GetInfoBarDelegateAt(i);
     ThemeInstalledInfoBarDelegate* theme_infobar =
         delegate->AsThemePreviewInfobarDelegate();
     if (theme_infobar) {
       // If the user installed the same theme twice, ignore the second install
       // and keep the first install info bar, so that they can easily undo to
       // get back the previous theme.
       if (theme_infobar->MatchesTheme(new_theme))
         return;
       old_delegate = delegate;
@@ skipping 68 matching lines @@
   Browser* browser = browser::FindBrowserWithWebContents(web_contents);
   return chrome::CreateExtensionInstallPromptWithBrowser(browser);
 }
 
 // static
 ExtensionInstallPrompt* ExtensionInstallUI::CreateInstallPromptWithProfile(
     Profile* profile) {
   Browser* browser = browser::FindLastActiveWithProfile(profile);
   return chrome::CreateExtensionInstallPromptWithBrowser(browser);
 }