Re-implement the screensaver to use WebView instead of ExtensionDialogHost.

ash/shell/window_type_launcher.cc

 // Copyright (c) 2012 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 "ash/shell/window_type_launcher.h"
 
+#include "ash/screensaver/screensaver_view.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/shell/example_factory.h"
 #include "ash/shell/panel_window.h"
 #include "ash/shell/toplevel_window.h"
 #include "ash/wm/shadow_types.h"
+#include "base/bind.h"
+#include "base/time.h"
 #include "base/utf_string_conversions.h"
+#include "content/public/browser/browser_thread.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/compositor/layer.h"
 #include "ui/views/controls/button/text_button.h"
 #include "ui/views/controls/menu/menu_item_view.h"
 #include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/examples/examples_window.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/widget/widget.h"
@@ skipping 184 matching lines @@
           new views::NativeTextButton(
               this, ASCIIToUTF16("Open Window Modal Window")))),
       ALLOW_THIS_IN_INITIALIZER_LIST(transient_button_(
           new views::NativeTextButton(
               this, ASCIIToUTF16("Open Non-Modal Transient Window")))),
       ALLOW_THIS_IN_INITIALIZER_LIST(examples_button_(
           new views::NativeTextButton(
               this, ASCIIToUTF16("Open Views Examples Window")))),
       ALLOW_THIS_IN_INITIALIZER_LIST(show_hide_window_button_(
           new views::NativeTextButton(
-              this, ASCIIToUTF16("Show/Hide a Window")))) {
+              this, ASCIIToUTF16("Show/Hide a Window")))),
+      ALLOW_THIS_IN_INITIALIZER_LIST(show_screensaver_(
+          new views::NativeTextButton(
+              this, ASCIIToUTF16("Show the Screensaver [for 5 seconds]")))) {
   views::GridLayout* layout = new views::GridLayout(this);
   layout->SetInsets(5, 5, 5, 5);
   SetLayoutManager(layout);
   views::ColumnSet* column_set = layout->AddColumnSet(0);
   column_set->AddColumn(views::GridLayout::LEADING,
                         views::GridLayout::CENTER,
                         0,
                         views::GridLayout::USE_PREF,
                         0,
                         0);
   AddViewToLayout(layout, create_button_);
   AddViewToLayout(layout, create_persistant_button_);
   AddViewToLayout(layout, panel_button_);
   AddViewToLayout(layout, create_nonresizable_button_);
   AddViewToLayout(layout, bubble_button_);
   AddViewToLayout(layout, lock_button_);
   AddViewToLayout(layout, widgets_button_);
   AddViewToLayout(layout, system_modal_button_);
   AddViewToLayout(layout, window_modal_button_);
   AddViewToLayout(layout, transient_button_);
   AddViewToLayout(layout, examples_button_);
   AddViewToLayout(layout, show_hide_window_button_);
+  AddViewToLayout(layout, show_screensaver_);
 #if !defined(OS_MACOSX)
   set_context_menu_controller(this);
 #endif
 }
 
 WindowTypeLauncher::~WindowTypeLauncher() {
 }
 
 void WindowTypeLauncher::OnPaint(gfx::Canvas* canvas) {
   canvas->FillRect(GetLocalBounds(), SK_ColorWHITE);
@@ skipping 46 matching lines @@
   } else if (sender == system_modal_button_) {
     ModalWindow::OpenModalWindow(GetWidget()->GetNativeView(),
                                  ui::MODAL_TYPE_SYSTEM);
   } else if (sender == window_modal_button_) {
     ModalWindow::OpenModalWindow(GetWidget()->GetNativeView(),
                                  ui::MODAL_TYPE_WINDOW);
   } else if (sender == transient_button_) {
     NonModalTransient::OpenNonModalTransient(GetWidget()->GetNativeView());
   } else if (sender == show_hide_window_button_) {
     NonModalTransient::ToggleNonModalTransient(GetWidget()->GetNativeView());
+  } else if (sender == show_screensaver_) {
+    ash::ShowScreensaver(GURL("http://www.google.com"));
+    content::BrowserThread::PostDelayedTask(content::BrowserThread::UI,
+                                            FROM_HERE,
+                                            base::Bind(&ash::CloseScreensaver),
+                                            base::TimeDelta::FromSeconds(5));
+
   }
 #if !defined(OS_MACOSX)
   else if (sender == examples_button_) {
     views::examples::ShowExamplesWindow(
         views::examples::DO_NOTHING_ON_CLOSE,
         ash::Shell::GetInstance()->browser_context());
   }
 #endif  // !defined(OS_MACOSX)
 }
 
@@ skipping 26 matching lines @@
   menu_runner_.reset(new MenuRunner(root));
   if (menu_runner_->RunMenuAt(GetWidget(), NULL, gfx::Rect(point, gfx::Size()),
         MenuItemView::TOPLEFT,
         MenuRunner::HAS_MNEMONICS) == MenuRunner::MENU_DELETED)
     return;
 }
 #endif  // !defined(OS_MACOSX)
 
 }  // namespace shell
 }  // namespace ash