[iOS] Upstream //ios/net

ios/net/protocol_handler_util.h

Index: ios/net/protocol_handler_util.h
diff --git a/ios/net/protocol_handler_util.h b/ios/net/protocol_handler_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..f2a1e8ddabbaddc4ec4f31a29d04018a64fe7c6e
--- /dev/null
+++ b/ios/net/protocol_handler_util.h
@@ -0,0 +1,37 @@
+// Copyright 2012 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 IOS_NET_PROTOCOL_HANDLER_UTIL_H_
+#define IOS_NET_PROTOCOL_HANDLER_UTIL_H_
+
+#import <Foundation/Foundation.h>
+
+namespace base {
+class Time;
+}  // namespace base
+
+namespace net {
+class URLRequest;
+}  // namespace net
+
+namespace net {
+
+// Creates a network NSError. |ns_error_code| is the iOS error code,
+// |net_error_code| is the network error from net/base/net_error_list.h.
+// |creation_time| is the time when the failing request was started and must be
+// valid.
+NSError* GetIOSError(NSInteger ns_error_code,
+                     int net_error_code,
+                     NSString* url,
+                     const base::Time& creation_time);
+
+// Builds a NSURLResponse from the response data in |request|.
+NSURLResponse* GetNSURLResponseForRequest(URLRequest* request);
+
+// Copy HTTP headers from |in_request| to |out_request|.
+void CopyHttpHeaders(NSURLRequest* in_request, URLRequest* out_request);
+
+}  // namespace protocol_handler_util
+
+#endif  // IOS_NET_PROTOCOL_HANDLER_UTIL_H_