Initial implementation of the <extensionoptions> GuestView tag

chrome/browser/guest_view/extension_options/extension_options_guest.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 CHROME_BROWSER_GUEST_VIEW_EXTENSION_OPTIONS_EXTENSION_OPTIONS_GUEST_H_
+#define CHROME_BROWSER_GUEST_VIEW_EXTENSION_OPTIONS_EXTENSION_OPTIONS_GUEST_H_
+
+#include "base/macros.h"
+#include "chrome/browser/guest_view/guest_view.h"
+#include "extensions/browser/extension_function_dispatcher.h"
+#include "url/gurl.h"
+
+namespace content {
+class BrowserContext;
+}
+
+class ExtensionOptionsGuest
+    : public GuestView<ExtensionOptionsGuest>,
+      public extensions::ExtensionFunctionDispatcher::Delegate {
+ public:
+  static const char Type[];
+  static GuestViewBase* Create(content::BrowserContext* browser_context,
+                               int guest_instance_id);
+
+  // GuestViewBase implementation.
+  virtual bool CanEmbedderUseGuestView(
+      const std::string& embedder_extension_id) OVERRIDE;
+  virtual void CreateWebContents(
+      const std::string& embedder_extension_id,
+      int embedder_render_process_id,
+      const base::DictionaryValue& create_params,
+      const WebContentsCreatedCallback& callback) OVERRIDE;
+  virtual void DidAttachToEmbedder() OVERRIDE;
+  virtual void DidInitialize() OVERRIDE;
+
+  // ExtensionFunctionDispatcher::Delegate implementation.
+  virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
+
+  // content::WebContentsObserver implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+ private:
+  ExtensionOptionsGuest(content::BrowserContext* browser_context,
+                        int guest_instance_id);
+  virtual ~ExtensionOptionsGuest();
+  void OnRequest(const ExtensionHostMsg_Request_Params& params);
+
+  scoped_ptr<extensions::ExtensionFunctionDispatcher>
+      extension_function_dispatcher_;
+  GURL options_page_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExtensionOptionsGuest);
+};
+
+#endif  // CHROME_BROWSER_GUEST_VIEW_EXTENSION_OPTIONS_EXTENSION_OPTIONS_GUEST_H_