1 files changed, 37 insertions, 0 deletions
diff --git a/chrome/browser/dom_ui/dom_ui_util.cc b/chrome/browser/dom_ui/dom_ui_util.cc
new file mode 100644
index 0000000..e247655
--- /dev/null
+++ b/chrome/browser/dom_ui/dom_ui_util.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/browser/dom_ui/dom_ui_util.h"
+
+#include "base/logging.h"
+#include "base/values.h"
+
+namespace dom_ui_util {
+
+std::string GetJsonResponseFromFirstArgumentInList(const Value* content) {
+  return GetJsonResponseFromArgumentList(content, 0);
+}
+
+std::string GetJsonResponseFromArgumentList(const Value* content,
+                                            size_t list_index) {
+  std::string result;
+
+  if (!content || !content->IsType(Value::TYPE_LIST))  {
+    NOTREACHED();
+    return result;
+  }
+  const ListValue* args = static_cast<const ListValue*>(content);
+  if (args->GetSize() <= list_index) {
+    NOTREACHED();
+    return result;
+  }
+
+  Value* value = NULL;
+  if (args->Get(list_index, &value))
+    value->GetAsString(&result);
+
+  return result;
+}
+
+}  // end of namespace dom_ui_util