Allow chromedriver to install an extension and get all installed extension IDs.

chrome/test/webdriver/commands/chrome_commands.h

+// Copyright (c) 2011 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_TEST_WEBDRIVER_COMMANDS_CHROME_COMMANDS_H_
+#define CHROME_TEST_WEBDRIVER_COMMANDS_CHROME_COMMANDS_H_
+
+#include <string>
+#include <vector>
+
+#include "chrome/test/webdriver/commands/webdriver_command.h"
+
+namespace base {
+class DictionaryValue;

[dennis_jeffrey, 2011/11/22 23:32:16]

nit: maybe add a blank line above and below this?

[kkania, 2011/11/23 17:31:23]

i think this is the style for forward declaring in a namespace.  I don't think
its in the style guide, but I haven't seen it done otherwise in chrome.

+}
+
+namespace webdriver {
+
+class Response;
+
+class ExtensionsCommand : public WebDriverCommand {
+ public:
+  ExtensionsCommand(const std::vector<std::string>& path_segments,
+                    const base::DictionaryValue* const parameters);
+  virtual ~ExtensionsCommand();
+
+  virtual bool DoesGet();
+  virtual bool DoesPost();
+
+  virtual void ExecuteGet(Response* const response);
+  virtual void ExecutePost(Response* const response);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ExtensionsCommand);
+};
+
+}  // namespace webdriver
+
+#endif  // CHROME_TEST_WEBDRIVER_COMMANDS_CHROME_COMMANDS_H_