Make header include guards great again

runtime/bin/socket.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#ifndef BIN_SOCKET_H_
-#define BIN_SOCKET_H_
+#ifndef RUNTIME_BIN_SOCKET_H_
+#define RUNTIME_BIN_SOCKET_H_
 
 #if defined(DART_IO_DISABLED)
 #error "socket.h can only be included on builds with IO enabled"
 #endif
 
 #include "platform/globals.h"
 // Declare the OS-specific types ahead of defining the generic class.
 #if defined(TARGET_OS_ANDROID)
 #include "bin/socket_android.h"
 #elif defined(TARGET_OS_FUCHSIA)
@@ skipping 451 matching lines @@
   HashMap sockets_by_fd_;
 
   Mutex *mutex_;
 
   DISALLOW_COPY_AND_ASSIGN(ListeningSocketRegistry);
 };
 
 }  // namespace bin
 }  // namespace dart
 
-#endif  // BIN_SOCKET_H_
+#endif  // RUNTIME_BIN_SOCKET_H_