Cleanup: Better constify some strings in net/.

net/websockets/websocket_handshake_constants.cc

 // Copyright 2013 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_constants.h"
 
 namespace net {
 namespace websockets {
 
-const char* const kHttpProtocolVersion = "HTTP/1.1";
+const char kHttpProtocolVersion[] = "HTTP/1.1";
 
 const size_t kRawChallengeLength = 16;
 
-const char* const kSecWebSocketProtocol = "Sec-WebSocket-Protocol";
-const char* const kSecWebSocketExtensions = "Sec-WebSocket-Extensions";
-const char* const kSecWebSocketKey = "Sec-WebSocket-Key";
-const char* const kSecWebSocketAccept = "Sec-WebSocket-Accept";
-const char* const kSecWebSocketVersion = "Sec-WebSocket-Version";
+const char kSecWebSocketProtocol[] = "Sec-WebSocket-Protocol";
+const char kSecWebSocketExtensions[] = "Sec-WebSocket-Extensions";
+const char kSecWebSocketKey[] = "Sec-WebSocket-Key";
+const char kSecWebSocketAccept[] = "Sec-WebSocket-Accept";
+const char kSecWebSocketVersion[] = "Sec-WebSocket-Version";
 
-const char* const kSupportedVersion = "13";
+const char kSupportedVersion[] = "13";
 
-const char* const kUpgrade = "Upgrade";
-const char* const kWebSocketGuid = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
+const char kUpgrade[] = "Upgrade";
+const char kWebSocketGuid[] = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
 
-const char* const kSecWebSocketProtocolSpdy3 = ":sec-websocket-protocol";
-const char* const kSecWebSocketExtensionsSpdy3 = ":sec-websocket-extensions";
+const char kSecWebSocketProtocolSpdy3[] = ":sec-websocket-protocol";
+const char kSecWebSocketExtensionsSpdy3[] = ":sec-websocket-extensions";
 
 const char* const kSecWebSocketProtocolLowercase =
     kSecWebSocketProtocolSpdy3 + 1;
 const char* const kSecWebSocketExtensionsLowercase =
     kSecWebSocketExtensionsSpdy3 + 1;
-const char* const kSecWebSocketKeyLowercase = "sec-websocket-key";
-const char* const kSecWebSocketVersionLowercase = "sec-websocket-version";
-const char* const kUpgradeLowercase = "upgrade";
-const char* const kWebSocketLowercase = "websocket";
+const char kSecWebSocketKeyLowercase[] = "sec-websocket-key";
+const char kSecWebSocketVersionLowercase[] = "sec-websocket-version";
+const char kUpgradeLowercase[] = "upgrade";
+const char kWebSocketLowercase[] = "websocket";
 
 }  // namespace websockets
 }  // namespace net