Add compositing, layers to app_list_demo

ui/app_list/demo/app_list_demo_views.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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_switches.h"
@@ skipping 93 matching lines @@
       web_contents_->GetBrowserContext());
   web_view->SetPreferredSize(size);
   web_view->SetWebContents(web_contents_.get());
   return web_view;
 }
 
 void ShowAppList(content::BrowserContext* browser_context,
                  gfx::NativeWindow window_context) {
   DemoAppListViewDelegate* delegate =
       new DemoAppListViewDelegate(browser_context);
-  app_list::AppListView* view = delegate->InitView(window_context);
+  app_list::AppListView* view = delegate->InitView(NULL);
   view->GetWidget()->Show();
   view->GetWidget()->Activate();
 }
 
 }  // namespace
 
 #if defined(OS_WIN)
 int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t*, int) {
   sandbox::SandboxInterfaceInfo sandbox_info = {0};
   content::InitializeSandboxInfo(&sandbox_info);
   ui::ViewsContentClient views_content_client(instance, &sandbox_info);
 #else
 int main(int argc, const char** argv) {
   ui::ViewsContentClient views_content_client(argc, argv);
 #endif
 
   views_content_client.set_task(base::Bind(&ShowAppList));
   return views_content_client.RunMain();
 }