Make header include guards great again

runtime/bin/process.h

 // Copyright (c) 2012, 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_PROCESS_H_
-#define BIN_PROCESS_H_
+#ifndef RUNTIME_BIN_PROCESS_H_
+#define RUNTIME_BIN_PROCESS_H_
 
 #include "bin/builtin.h"
 #include "bin/io_buffer.h"
 #include "bin/lockers.h"
 #include "bin/thread.h"
 #include "platform/globals.h"
 #include "platform/utils.h"
 
 namespace dart {
 namespace bin {
@@ skipping 270 matching lines @@
   // Number of free bytes in the last node in the list.
   intptr_t free_size_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BufferListBase);
 };
 
 }  // namespace bin
 }  // namespace dart
 
-#endif  // BIN_PROCESS_H_
+#endif  // RUNTIME_BIN_PROCESS_H_