Basic multi-module support

chrome/browser/extensions/shared_module_apitest.cc

+// Copyright (c) 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 "chrome/browser/extensions/extension_apitest.h"
+
+using extensions::Extension;
+
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, SharedModule) {
+  // import_pass depends on this shared module.
+  // NB: We use LoadExtension instead of InstallExtension here so the public-key
+  // in 'shared' is used to generate the extension ID so it can be imported
+  // correctly.  We use InstallExtension otherwise so the loads happen through
+  // the CRX installer which validates imports.
+  ASSERT_TRUE(LoadExtension(
+      test_data_dir_.AppendASCII("shared_module").AppendASCII("shared")));
+
+  EXPECT_TRUE(RunExtensionTest("shared_module/import_pass"));
+
+  EXPECT_FALSE(InstallExtension(
+      test_data_dir_.AppendASCII("shared_module")
+          .AppendASCII("import_wrong_version"), 0));
+  EXPECT_FALSE(InstallExtension(
+      test_data_dir_.AppendASCII("shared_module")
+          .AppendASCII("import_non_existent"), 0));
+}