Move ExtensionOptionsGuest code from chrome to extensions

extensions/browser/guest_view/extension_options/extension_options_guest_delegate.h

+// 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.
+
+#ifndef EXTENSIONS_BROWSER_GUEST_VIEW_EXTENSION_OPTIONS_EXTENSION_OPTIONS_GUEST_DELEGATE_H_
+#define EXTENSIONS_BROWSER_GUEST_VIEW_EXTENSION_OPTIONS_EXTENSION_OPTIONS_GUEST_DELEGATE_H_
+
+namespace content {
+struct ContextMenuParams;
+struct OpenURLParams;
+class WebContents;
+}
+
+namespace extensions {
+// Interface to handle communication between ExtensionOptionsGuest (in
+// extensions) with the browser.
+class ExtensionOptionsGuestDelegate {
+ public:
+  virtual ~ExtensionOptionsGuestDelegate();
+
+  virtual void CreateChromeExtensionWebContentsObserver(
+      content::WebContents* web_contents) = 0;
+
+  // Shows the context menu for the guest.
+  // Returns true if the context menu was handled.
+  virtual bool HandleContextMenu(content::WebContents* web_contents,
+                                 const content::ContextMenuParams& params) = 0;
+
+  virtual content::WebContents* OpenURLInNewTab(
+      content::WebContents* embedder_web_contents,
+      const content::OpenURLParams& params) = 0;
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_GUEST_VIEW_EXTENSION_OPTIONS_EXTENSION_OPTIONS_GUEST_DELEGATE_H_