Add skeleton plumbing for serial API. No functionality yet.

chrome/browser/extensions/api/serial/serial_apitest.cc

Index: chrome/browser/extensions/api/serial/serial_apitest.cc
diff --git a/chrome/browser/extensions/api/serial/serial_apitest.cc b/chrome/browser/extensions/api/serial/serial_apitest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7a58d73a4a38b90a817b2d58783f7245c573ac21
--- /dev/null
+++ b/chrome/browser/extensions/api/serial/serial_apitest.cc
@@ -0,0 +1,34 @@
+// 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.
+
+#include "base/command_line.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/extensions/api/serial/serial_api.h"
+#include "chrome/browser/extensions/extension_apitest.h"
+#include "chrome/browser/extensions/extension_function_test_utils.h"
+#include "chrome/common/chrome_switches.h"
+#include "content/public/browser/browser_thread.h"
+
+using content::BrowserThread;
+
+using namespace extension_function_test_utils;
+
+namespace {
+
+class SerialApiTest : public ExtensionApiTest {
+ public:
+  SerialApiTest() {}
+
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+    ExtensionApiTest::SetUpCommandLine(command_line);
+    command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
+    command_line->AppendSwitch(switches::kEnablePlatformApps);
+  }
+};
+
+}  // namespace
+
+IN_PROC_BROWSER_TEST_F(SerialApiTest, SerialExtension) {
+  ASSERT_TRUE(RunExtensionTest("serial/api")) << message_;
+}