kiosk: Fix zoom crash regression.

chrome/browser/ui/apps/chrome_app_delegate.cc

 // Copyright 2014 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/ui/apps/chrome_app_delegate.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
+#include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "chrome/browser/ui/web_contents_sizer.h"
+#include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/common/extensions/chrome_extension_messages.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "extensions/common/constants.h"
 #include "extensions/grit/extensions_browser_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 
@@ skipping 135 matching lines @@
 #if defined(ENABLE_PRINTING)
 #if defined(ENABLE_FULL_PRINTING)
   printing::PrintViewManager::CreateForWebContents(web_contents);
   printing::PrintPreviewMessageHandler::CreateForWebContents(web_contents);
 #else
   printing::PrintViewManagerBasic::CreateForWebContents(web_contents);
 #endif  // defined(ENABLE_FULL_PRINTING)
 #endif  // defined(ENABLE_PRINTING)
   extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
       web_contents);
+
+  // Kiosk app supports zooming.
+  if (chrome::IsRunningInForcedAppMode())
+    ZoomController::CreateForWebContents(web_contents);
 }
 
 void ChromeAppDelegate::ResizeWebContents(content::WebContents* web_contents,
                                           const gfx::Size& size) {
   ::ResizeWebContents(web_contents, size);
 }
 
 content::WebContents* ChromeAppDelegate::OpenURLFromTab(
     content::BrowserContext* context,
     content::WebContents* source,
@@ skipping 89 matching lines @@
                                 const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_APP_TERMINATING:
       if (!terminating_callback_.is_null())
         terminating_callback_.Run();
       break;
     default:
       NOTREACHED() << "Received unexpected notification";
   }
 }