Support WebView in ash.

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/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/shell/example_factory.h"
@@ skipping 323 matching lines @@
   } 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());
   }
 #if !defined(OS_MACOSX)
   else if (sender == examples_button_) {
-    views::examples::ShowExamplesWindow(views::examples::DO_NOTHING_ON_CLOSE,
-                                        NULL);
+    views::examples::ShowExamplesWindow(
+        views::examples::DO_NOTHING_ON_CLOSE,
+        ash::Shell::GetInstance()->browser_context());
   }
 #endif  // !defined(OS_MACOSX)
 }
 
 #if !defined(OS_MACOSX)
 void WindowTypeLauncher::ExecuteCommand(int id) {
   switch (id) {
     case COMMAND_NEW_WINDOW:
       InitWindowTypeLauncher();
       break;
@@ skipping 20 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