Move IsOriginSecure() into //content and use it in ServiceWorker

content/common/origin_util.cc

+// Copyright 2015 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 "content/public/common/origin_util.h"
+
+#include "base/lazy_instance.h"
+#include "base/stl_util.h"
+#include "content/public/common/content_client.h"
+#include "net/base/net_util.h"
+#include "url/gurl.h"
+
+namespace content {
+
+namespace {
+
+class SecureSchemeAndOriginSet {
+ public:
+  SecureSchemeAndOriginSet() { Reset(); }
+  ~SecureSchemeAndOriginSet() {}
+
+  void Reset() {
+    GetContentClient()->AddSecureSchemesAndOrigins(&schemes_, &origins_);
+  }
+
+  const std::set<std::string>& schemes() const { return schemes_; }
+  const std::set<GURL>& origins() const { return origins_; }
+
+ private:
+  std::set<std::string> schemes_;
+  std::set<GURL> origins_;
+  DISALLOW_COPY_AND_ASSIGN(SecureSchemeAndOriginSet);
+};
+
+base::LazyInstance<SecureSchemeAndOriginSet>::Leaky g_trustworthy_whitelist =
+    LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+bool IsOriginSecure(const GURL& url) {
+  if (url.SchemeIsCryptographic() || url.SchemeIsFile())
+    return true;
+
+  if (url.SchemeIsFileSystem() && url.inner_url() &&
+      IsOriginSecure(*url.inner_url())) {
+    return true;
+  }
+
+  std::string hostname = url.HostNoBrackets();
+  if (net::IsLocalhost(hostname))
+    return true;
+
+  if (ContainsKey(g_trustworthy_whitelist.Get().schemes(), url.scheme()))
+    return true;
+
+  if (ContainsKey(g_trustworthy_whitelist.Get().origins(), url.GetOrigin()))
+    return true;
+
+  return false;
+}
+
+}  // namespace content