Create extensions_test_support build target

extensions/common/test_util.cc

+// Copyright 2013 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/common/test_util.h"
+
+#include "extensions/common/extension.h"
+#include "extensions/common/extension_builder.h"
+#include "extensions/common/value_builder.h"
+
+namespace extensions {
+namespace test_util {
+
+ExtensionBuilder& BuildExtension(ExtensionBuilder& builder) {
+  return builder
+         .SetManifest(DictionaryBuilder()
+                      .Set("name", "Test extension")
+                      .Set("version", "1.0")
+                      .Set("manifest_version", 2));
+}
+
+scoped_refptr<Extension> CreateExtensionWithID(const std::string& id) {
+  return ExtensionBuilder()
+      .SetManifest(
+           DictionaryBuilder().Set("name", "test").Set("version", "0.1"))
+      .SetID(id)
+      .Build();
+}
+
+}  // namespace test_util
+}  // namespace extensions