Toro: Move ExtensionProtocolHandler to //extensions

extensions/browser/extension_protocols.h

 // Copyright (c) 2011 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_PROTOCOLS_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTENSION_PROTOCOLS_H_
+#ifndef EXTENSIONS_BROWSER_EXTENSION_PROTOCOLS_H_
+#define EXTENSIONS_BROWSER_EXTENSION_PROTOCOLS_H_
 
-#include "chrome/browser/profiles/profile.h"
+#include <string>
+
 #include "net/url_request/url_request_job_factory.h"
 
-namespace extensions {
-class InfoMap;
+namespace base {
+class Time;
 }
 
-// Creates the handlers for the chrome-extension:// scheme.
+namespace net {
+class HttpResponseHeaders;
+}
+
+namespace extensions {
+
+class InfoMap;
+
+// Builds HTTP headers for an extension request. Hashes the time to avoid
+// exposing the exact user installation time of the extension.
+net::HttpResponseHeaders* BuildHttpHeaders(
+    const std::string& content_security_policy,
+    bool send_cors_header,
+    const base::Time& last_modified_time);
+
+// Creates the handlers for the chrome-extension:// scheme. Pass true for
+// |is_incognito| only for incognito profiles and not for Chrome OS guest mode
+// profiles.
 net::URLRequestJobFactory::ProtocolHandler* CreateExtensionProtocolHandler(
-    Profile::ProfileType profile_type,
+    bool is_incognito,
     extensions::InfoMap* extension_info_map);
 
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PROTOCOLS_H_
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_EXTENSION_PROTOCOLS_H_