Implement sidebar support for extension action popups

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_POPUP);
+         host_type == VIEW_TYPE_EXTENSION_POPUP ||
+         host_type == VIEW_TYPE_EXTENSION_SIDEBAR);
 }
 
 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 219 matching lines @@
                                 const content::NotificationSource& source,
                                 const content::NotificationDetails& details) {
   DCHECK_EQ(type, extensions::NOTIFICATION_EXTENSION_BACKGROUND_PAGE_READY);
   DCHECK(ExtensionSystem::Get(browser_context())
              ->runtime_data()
              ->IsBackgroundPageReady(extension()));
   LoadInitialURL();
 }
 
 }  // namespace extensions