Make header include guards great again

runtime/vm/flow_graph_compiler.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 VM_FLOW_GRAPH_COMPILER_H_
-#define VM_FLOW_GRAPH_COMPILER_H_
+#ifndef RUNTIME_VM_FLOW_GRAPH_COMPILER_H_
+#define RUNTIME_VM_FLOW_GRAPH_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
 #include "vm/code_generator.h"
 #include "vm/intermediate_language.h"
 
 namespace dart {
 
 // Forward declarations.
@@ skipping 778 matching lines @@
   Array& inlined_code_intervals_;
   const GrowableArray<const Function*>& inline_id_to_function_;
   const GrowableArray<TokenPosition>& inline_id_to_token_pos_;
   const GrowableArray<intptr_t>& caller_inline_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
-#endif  // VM_FLOW_GRAPH_COMPILER_H_
+#endif  // RUNTIME_VM_FLOW_GRAPH_COMPILER_H_