Move ExtensionOptionsGuest code from chrome to extensions

chrome/browser/guest_view/extension_options/chrome_extension_options_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/guest_view/extension_options/chrome_extension_options_guest_delegate.h"
+
+#include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
+#include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_finder.h"
+#include "components/renderer_context_menu/context_menu_delegate.h"
+
+namespace extensions {
+
+ChromeExtensionOptionsGuestDelegate::ChromeExtensionOptionsGuestDelegate() {
+}
+
+ChromeExtensionOptionsGuestDelegate::~ChromeExtensionOptionsGuestDelegate() {
+}
+
+void
+ChromeExtensionOptionsGuestDelegate::CreateChromeExtensionWebContentsObserver(
+    content::WebContents* web_contents) {
+  extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
+      web_contents);
+}
+
+bool ChromeExtensionOptionsGuestDelegate::HandleContextMenu(
+    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;
+}
+
+content::WebContents* ChromeExtensionOptionsGuestDelegate::OpenURLInNewTab(
+    content::WebContents* embedder_web_contents,
+    const content::OpenURLParams& params) {
+  Browser* browser = chrome::FindBrowserWithWebContents(embedder_web_contents);
+  return browser->OpenURL(params);
+}
+
+}  // namespace extensions