[Extensions] Remove the Infobar API

chrome/browser/extensions/extension_view_host.cc

 // Copyright 2013 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_view_host.h"
 
 #include "base/strings/string_piece.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_view.h"
 #include "chrome/browser/extensions/window_controller.h"
@@ skipping 45 matching lines @@
 
 ExtensionViewHost::ExtensionViewHost(
     const Extension* extension,
     content::SiteInstance* site_instance,
     const GURL& url,
     ViewType host_type)
     : ExtensionHost(extension, site_instance, url, host_type),
       associated_web_contents_(NULL) {
   // Not used for panels, see PanelHost.
   DCHECK(host_type == VIEW_TYPE_EXTENSION_DIALOG ||
-         host_type == VIEW_TYPE_EXTENSION_INFOBAR ||
          host_type == VIEW_TYPE_EXTENSION_POPUP);
 }
 
 ExtensionViewHost::~ExtensionViewHost() {
   // The hosting WebContents will be deleted in the base class, so unregister
   // this object before it deletes the attached WebContentsModalDialogManager.
   WebContentsModalDialogManager* manager =
       WebContentsModalDialogManager::FromWebContents(host_contents());
   if (manager)
     manager->SetDelegate(NULL);
@@ skipping 21 matching lines @@
   view_->HandleKeyboardEvent(source, event);
 }
 
 // ExtensionHost overrides:
 
 void ExtensionViewHost::OnDidStopLoading() {
   DCHECK(did_stop_loading());
   view_->DidStopLoading();
 }
 
-void ExtensionViewHost::OnDocumentAvailable() {
-  if (extension_host_type() == VIEW_TYPE_EXTENSION_INFOBAR) {
-    // No style sheet for other types, at the moment.
-    InsertInfobarCSS();
-  }
-}
-
 void ExtensionViewHost::LoadInitialURL() {
   if (!ExtensionSystem::Get(browser_context())->
           runtime_data()->IsBackgroundPageReady(extension())) {
     // Make sure the background page loads before any others.
     registrar()->Add(this,
                      extensions::NOTIFICATION_EXTENSION_BACKGROUND_PAGE_READY,
                      content::Source<Extension>(extension()));
     return;
   }
 
@@ skipping 191 matching lines @@
 
 void ExtensionViewHost::InsertInfobarCSS() {
   static const base::StringPiece css(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
       IDR_EXTENSIONS_INFOBAR_CSS));
 
   host_contents()->InsertCSS(css.as_string());
 }
 
 }  // namespace extensions