Moving app_view to extensions.

chrome/browser/guest_view/app_view/chrome_app_view_guest_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/extensions/extension_service.h"
+#include "chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.h"
+#include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
+#include "components/renderer_context_menu/context_menu_delegate.h"
+#include "extensions/browser/extension_system.h"
+
+namespace extensions {
+
+ChromeAppViewGuestDelegate::ChromeAppViewGuestDelegate() {
+}
+
+ChromeAppViewGuestDelegate::~ChromeAppViewGuestDelegate() {
+}
+
+bool ChromeAppViewGuestDelegate::OnHandleContextMenu(
+    content::WebContents* web_contents,
+    const content::ContextMenuParams& params) {
+  ContextMenuDelegate* menu_delegate =
+      ContextMenuDelegate::FromWebContents(web_contents);
+  DCHECK(menu_delegate);
+
+  scoped_ptr<RenderViewContextMenu> menu =
+      menu_delegate->BuildMenu(web_contents, params);
+  menu_delegate->ShowMenu(menu.Pass());
+  return true;
+}
+
+}  // namespace extensions