Browser Plugin: Implement ExecuteScript

chrome/renderer/browser_plugin/chrome_browser_plugin_observer.h

+// 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.
+
+#ifndef CHROME_RENDERER_BROWSER_PLUGIN_CHROME_BROWSER_PLUGIN_OBSERVER_H_
+#define CHROME_RENDERER_BROWSER_PLUGIN_CHROME_BROWSER_PLUGIN_OBSERVER_H_
+
+#include "content/public/renderer/browser_plugin/browser_plugin_observer.h"
+
+namespace base {
+class ListValue;
+}  // namespace base
+
+class ChromeBrowserPluginObserver : public content::BrowserPluginObserver {
+ public:
+  ChromeBrowserPluginObserver(
+      content::BrowserPlugin* render_view);
+  virtual ~ChromeBrowserPluginObserver();
+
+  int GetNextRequestID();
+
+  // BrowserPluginObserver implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+ private:
+  int next_request_id_;
+
+  // Message handlers.
+  void OnExecuteScriptResponse(int instance_id,
+                               int request_id,
+                               const base::ListValue& result);
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeBrowserPluginObserver);
+};
+
+#endif  // CHROME_RENDERER_BROWSER_PLUGIN_CHROME_BROWSER_PLUGIN_OBSERVER_H_
+