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

chrome/test/webdriver/commands/chrome_commands.cc

+// 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.
+
+#include "chrome/test/webdriver/commands/chrome_commands.h"
+
+#include <string>
+#include <vector>
+
+#include "base/file_path.h"
+#include "chrome/test/automation/value_conversion_util.h"
+#include "chrome/test/webdriver/commands/response.h"
+#include "chrome/test/webdriver/webdriver_error.h"
+#include "chrome/test/webdriver/webdriver_session.h"
+
+namespace webdriver {
+
+ExtensionsCommand::ExtensionsCommand(
+    const std::vector<std::string>& path_segments,
+    const base::DictionaryValue* const parameters)
+    : WebDriverCommand(path_segments, parameters) {}
+
+ExtensionsCommand::~ExtensionsCommand() {}
+
+bool ExtensionsCommand::DoesGet() {
+  return true;
+}
+
+bool ExtensionsCommand::DoesPost() {
+  return true;
+}
+
+void ExtensionsCommand::ExecuteGet(Response* const response) {
+  std::vector<std::string> extension_ids;
+  Error* error = session_->GetInstalledExtensions(&extension_ids);
+  if (error) {
+    response->SetError(error);
+    return;
+  }
+  base::ListValue* extensions = new base::ListValue();
+  for (size_t i = 0; i < extension_ids.size(); ++i)
+    extensions->Append(CreateValueFrom(extension_ids[i]));
+  response->SetValue(extensions);
+}
+
+void ExtensionsCommand::ExecutePost(Response* const response) {
+  FilePath::StringType path_string;
+  if (!GetStringParameter("path", &path_string)) {
+    response->SetError(new Error(kUnknownError, "'path' missing or invalid"));
+    return;
+  }
+
+  std::string extension_id;
+  Error* error = session_->InstallExtension(
+      FilePath(path_string), &extension_id);
+  if (error) {
+    response->SetError(error);
+    return;
+  }
+  response->SetValue(CreateValueFrom(extension_id));
+}
+
+}  // namespace webdriver