Introduce InfoBarTabService API.

chrome/browser/infobars/infobar_tab_helper.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/infobars/infobar_tab_helper.h"
 
 #include "chrome/browser/api/infobars/infobar_delegate.h"
 #include "chrome/browser/infobars/infobar.h"
 #include "chrome/browser/infobars/insecure_content_infobar_delegate.h"
+#include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 
 using content::NavigationController;
 using content::WebContents;
 
+InfoBarTabService* InfoBarTabService::ForTab(TabContents* tab) {
+  return tab->infobar_tab_helper();
+}
+
 InfoBarTabHelper::InfoBarTabHelper(WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
       infobars_enabled_(true) {
   DCHECK(web_contents);
 }
 
 InfoBarTabHelper::~InfoBarTabHelper() {
   // Destroy all remaining InfoBars.  It's important to not animate here so that
   // we guarantee that we'll delete all delegates before we do anything else.
   //
@@ skipping 58 matching lines @@
 
   old_delegate->clear_owner();
   InfoBarReplacedDetails replaced_details(old_delegate, new_delegate);
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REPLACED,
       content::Source<InfoBarTabHelper>(this),
       content::Details<InfoBarReplacedDetails>(&replaced_details));
   return true;
 }
 
+size_t InfoBarTabHelper::GetInfoBarCount() const {
+  return infobars_.size();
+}
+
 InfoBarDelegate* InfoBarTabHelper::GetInfoBarDelegateAt(size_t index) {
   return infobars_[index];
 }
 
+content::WebContents* InfoBarTabHelper::GetWebContents() {
+  return content::WebContentsObserver::web_contents();
+}
+
 void InfoBarTabHelper::RemoveInfoBarInternal(InfoBarDelegate* delegate,
                                              bool animate) {
   if (!infobars_enabled_) {
     DCHECK(infobars_.empty());
     return;
   }
 
   InfoBars::iterator i(std::find(infobars_.begin(), infobars_.end(), delegate));
   DCHECK(i != infobars_.end());
 
@@ skipping 11 matching lines @@
 
   InfoBarRemovedDetails removed_details(delegate, animate);
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REMOVED,
       content::Source<InfoBarTabHelper>(this),
       content::Details<InfoBarRemovedDetails>(&removed_details));
 }
 
 void InfoBarTabHelper::RemoveAllInfoBars(bool animate) {
   while (!infobars_.empty())
-    RemoveInfoBarInternal(GetInfoBarDelegateAt(infobar_count() - 1), animate);
+    RemoveInfoBarInternal(GetInfoBarDelegateAt(GetInfoBarCount() - 1), animate);
 }
 
 void InfoBarTabHelper::OnDidBlockDisplayingInsecureContent() {
   // At most one infobar and do not supersede the stronger running content bar.
   for (size_t i = 0; i < infobars_.size(); ++i) {
     if (GetInfoBarDelegateAt(i)->AsInsecureContentInfoBarDelegate())
       return;
   }
   AddInfoBar(new InsecureContentInfoBarDelegate(this,
       InsecureContentInfoBarDelegate::DISPLAY));
@@ skipping 51 matching lines @@
         if (delegate->ShouldExpire(committed_details))
           RemoveInfoBar(delegate);
       }
 
       break;
     }
     default:
       NOTREACHED();
   }
 }