Remove QuicUtils::AsChars by casting directly. No behavior change.

net/tools/quic/quic_simple_server_test.cc

 // Copyright 2014 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/tools/quic/quic_simple_server.h"
 
 #include "net/quic/core/crypto/quic_random.h"
 #include "net/quic/core/quic_crypto_stream.h"
 #include "net/quic/core/quic_utils.h"
 #include "net/quic/test_tools/crypto_test_utils.h"
@@ skipping 44 matching lines @@
 TEST_F(QuicChromeServerDispatchPacketTest, DispatchPacket) {
   unsigned char valid_packet[] = {// public flags (8 byte connection_id)
                                   0x3C,
                                   // connection_id
                                   0x10, 0x32, 0x54, 0x76, 0x98, 0xBA, 0xDC,
                                   0xFE,
                                   // packet sequence number
                                   0xBC, 0x9A, 0x78, 0x56, 0x34, 0x12,
                                   // private flags
                                   0x00};
-  QuicReceivedPacket encrypted_valid_packet(QuicUtils::AsChars(valid_packet),
-                                            arraysize(valid_packet),
-                                            QuicTime::Zero(), false);
+  QuicReceivedPacket encrypted_valid_packet(
+      reinterpret_cast<char*>(valid_packet), arraysize(valid_packet),
+      QuicTime::Zero(), false);
 
   EXPECT_CALL(dispatcher_, ProcessPacket(_, _, _)).Times(1);
   DispatchPacket(encrypted_valid_packet);
 }
 
 }  // namespace test
 }  // namespace net