Implement extension:// protocol.

chrome/browser/extensions/extension_protocol_unittest.cc

+// Copyright (c) 2006-2008 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_protocol.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class ExtensionProtocolTest : public testing::Test {
+};
+
+TEST(ExtensionProtocolTest, GetPathForExtensionResource) {
+#if defined(OS_WIN)
+  FilePath extension_path(FILE_PATH_LITERAL("C:\\myextension"));
+  EXPECT_EQ(std::wstring(L"C:\\myextension\\foo\\bar.gif"),
+            GetPathForExtensionResource(extension_path, "/foo/bar.gif").value());
+  EXPECT_EQ(std::wstring(L"C:\\myextension\\"),
+            GetPathForExtensionResource(extension_path, "/").value());
+  EXPECT_EQ(std::wstring(L"C:\\myextension\\c:\\foo.gif"),
+            GetPathForExtensionResource(extension_path, "/c:/foo.gif").value());
+  EXPECT_EQ(std::wstring(L"C:\\myextension\\\\foo.gif"),
+            GetPathForExtensionResource(extension_path, "//foo.gif").value());
+  EXPECT_EQ(std::wstring(L""),
+            GetPathForExtensionResource(extension_path, "/../foo.gif").value());
+#else
+  FilePath extension_path(FILE_PATH_LITERAL("/myextension"));
+  EXPECT_EQ(std::wstring("/myextension/foo/bar.gif"),
+            GetPathForExtensionResource(extension_path, "/foo/bar.gif").value());
+  EXPECT_EQ(std::wstring("/myextension/"),
+            GetPathForExtensionResource(extension_path, "/").value());
+  EXPECT_EQ(std::wstring("/myextension//foo.gif"),
+            GetPathForExtensionResource(extension_path, "//foo.gif").value());
+  EXPECT_EQ(std::wstring(""),
+            GetPathForExtensionResource(extension_path, "/../foo.gif").value());
+#endif
+
+
+}