1 files changed, 37 insertions, 0 deletions
diff --git a/chrome/common/extensions/extension_sidebar_utils.cc b/chrome/common/extensions/extension_sidebar_utils.cc
new file mode 100644
index 0000000..7a419cf
--- /dev/null
+++ b/chrome/common/extensions/extension_sidebar_utils.cc
@@ -0,0 +1,37 @@
+// Copyright (c) 2010 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/common/extensions/extension_sidebar_utils.h"
+
+#include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/extension_error_utils.h"
+#include "googleurl/src/gurl.h"
+
+namespace {
+
+// Errors.
+const char kInvalidPathError[] = "Invalid path: \"*\".";
+
+}  // namespace
+
+namespace extension_sidebar_utils {
+
+std::string GetExtensionIdByContentId(const std::string& content_id) {
+  // At the moment, content_id == extension_id.
+  return content_id;
+}
+
+GURL ResolveRelativePath(const std::string& relative_path,
+                         const Extension* extension,
+                         std::string* error) {
+  GURL url(extension->GetResourceURL(relative_path));
+  if (!url.is_valid()) {
+    *error = ExtensionErrorUtils::FormatErrorMessage(kInvalidPathError,
+                                                     relative_path);
+    return GURL();
+  }
+  return url;
+}
+
+}  // namespace extension_sidebar_utils