Fix effective Origin URLs for IDB + Cache for file:/// pages

content/child/storage_util.h

+// Copyright 2016 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.
+
+#ifndef CONTENT_CHILD_STORAGE_UTIL_H_
+#define CONTENT_CHILD_STORAGE_UTIL_H_
+
+class GURL;
+
+namespace blink {
+class WebSecurityOrigin;
+}  // namespace blink
+
+namespace content {
+
+// Storage APIs rely on GURLs to identify the origin, with some special cases.
+// New uses of this function should be avoided; url::Origin should be used
+// instead.
+// TODO(jsbell): Eliminate this. https://crbug.com/591482
+GURL WebSecurityOriginToGURL(const blink::WebSecurityOrigin& origin);
+
+}  // namespace content
+
+#endif  // CONTENT_CHILD_STORAGE_UTIL_H_