Rename websocket_handshake_handler.* to websocket_handshake_challenge.*

net/websockets/websocket_handshake_challenge.cc

 // Copyright (c) 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.
 
-#include "net/websockets/websocket_handshake_handler.h"
+#include "net/websockets/websocket_handshake_challenge.h"
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "base/sha1.h"
 #include "net/websockets/websocket_handshake_constants.h"
 
 namespace net {
 
-void ComputeSecWebSocketAccept(const std::string& key,
-                               std::string* accept) {
+void ComputeSecWebSocketAccept(const std::string& key, std::string* accept) {
   DCHECK(accept);
 
-  std::string hash =
-      base::SHA1HashString(key + websockets::kWebSocketGuid);
+  std::string hash = base::SHA1HashString(key + websockets::kWebSocketGuid);
   base::Base64Encode(hash, accept);
 }
 
 }  // namespace net