Move infobar handling to a tab helper.

chrome/browser/plugin_observer.cc

 // Copyright (c) 2011 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/plugin_observer.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/google/google_util.h"
+#include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/plugin_installer_infobar_delegate.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
 #include "chrome/browser/tab_contents/simple_alert_infobar_delegate.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/user_metrics.h"
 #include "content/common/view_messages.h"
@@ skipping 286 matching lines @@
 
 PluginInstallerInfoBarDelegate* PluginObserver::GetPluginInstaller() {
   if (plugin_installer_ == NULL)
     plugin_installer_.reset(new PluginInstallerInfoBarDelegate(tab_contents()));
   return plugin_installer_->AsPluginInstallerInfoBarDelegate();
 }
 
 void PluginObserver::OnMissingPluginStatus(int status) {
   // TODO(PORT): pull in when plug-ins work
 #if defined(OS_WIN)
+  InfoBarTabHelper* infobar_helper = tab_contents_->infobar_tab_helper();
   if (status == webkit::npapi::default_plugin::MISSING_PLUGIN_AVAILABLE) {
-    tab_contents_->AddInfoBar(
+    infobar_helper->AddInfoBar(
         new PluginInstallerInfoBarDelegate(tab_contents()));
     return;
   }
 
   DCHECK_EQ(webkit::npapi::default_plugin::MISSING_PLUGIN_USER_STARTED_DOWNLOAD,
             status);
-  for (size_t i = 0; i < tab_contents_->infobar_count(); ++i) {
-    InfoBarDelegate* delegate = tab_contents_->GetInfoBarDelegateAt(i);
+  for (size_t i = 0; i < infobar_helper->infobar_count(); ++i) {
+    InfoBarDelegate* delegate = infobar_helper->GetInfoBarDelegateAt(i);
     if (delegate->AsPluginInstallerInfoBarDelegate() != NULL) {
-      tab_contents_->RemoveInfoBar(delegate);
+      infobar_helper->RemoveInfoBar(delegate);
       return;
     }
   }
 #endif
 }
 
 void PluginObserver::OnCrashedPlugin(const FilePath& plugin_path) {
   DCHECK(!plugin_path.value().empty());
 
   string16 plugin_name = plugin_path.LossyDisplayName();
   webkit::WebPluginInfo plugin_info;
   if (webkit::npapi::PluginList::Singleton()->GetPluginInfoByPath(
           plugin_path, &plugin_info) &&
       !plugin_info.name.empty()) {
     plugin_name = plugin_info.name;
 #if defined(OS_MACOSX)
     // Many plugins on the Mac have .plugin in the actual name, which looks
     // terrible, so look for that and strip it off if present.
     const std::string kPluginExtension = ".plugin";
     if (EndsWith(plugin_name, ASCIIToUTF16(kPluginExtension), true))
       plugin_name.erase(plugin_name.length() - kPluginExtension.length());
 #endif  // OS_MACOSX
   }
   gfx::Image* icon = &ResourceBundle::GetSharedInstance().GetNativeImageNamed(
       IDR_INFOBAR_PLUGIN_CRASHED);
-  tab_contents_->AddInfoBar(new SimpleAlertInfoBarDelegate(tab_contents(),
-      icon,
-      l10n_util::GetStringFUTF16(IDS_PLUGIN_CRASHED_PROMPT, plugin_name),
-      true));
+  tab_contents_->infobar_tab_helper()->AddInfoBar(
+      new SimpleAlertInfoBarDelegate(
+          tab_contents(),
+          icon,
+          l10n_util::GetStringFUTF16(IDS_PLUGIN_CRASHED_PROMPT, plugin_name),
+          true));
 }
 
 void PluginObserver::OnBlockedOutdatedPlugin(const string16& name,
                                              const GURL& update_url) {
-  tab_contents_->AddInfoBar(update_url.is_empty() ?
+  tab_contents_->infobar_tab_helper()->AddInfoBar(update_url.is_empty() ?
       static_cast<InfoBarDelegate*>(new BlockedPluginInfoBarDelegate(
           tab_contents(), name)) :
       new OutdatedPluginInfoBarDelegate(tab_contents(), name, update_url));
 }