app_shell: Initial skeleton of a GCD target device setup API

extensions/shell/browser/api/shell_gcd/shell_gcd_api_unittest.cc

+// 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.
+
+#include "extensions/shell/browser/api/shell_gcd/shell_gcd_api.h"
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/values.h"
+#include "extensions/browser/api_unittest.h"
+
+namespace extensions {
+
+using ShellGcdApiTest = ApiUnitTest;
+
+TEST_F(ShellGcdApiTest, GetBootstrapStatus) {
+  // Function succeeds and returns a result (for its callback).
+  scoped_ptr<base::Value> result =
+      RunFunctionAndReturnValue(new ShellGcdGetSetupStatusFunction, "[{}]");
+  ASSERT_TRUE(result.get());
+  std::string value;
+  result->GetAsString(&value);
+  EXPECT_EQ("completed", value);
+}
+
+}  // namespace extensions