Set up a variable so that the compiler script can be imported using an import map.

vm/benchmark_test.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_BENCHMARK_TEST_H_
 #define VM_BENCHMARK_TEST_H_
 
 #include "include/dart_api.h"
 
 #include "vm/dart.h"
@@ skipping 48 matching lines @@
     char* err = NULL;
     isolate_ = Dart_CreateIsolate(NULL, buffer, NULL, &err);
     EXPECT(isolate_ != NULL);
     free(err);
     return isolate_;
   }
 
   void Run() { (*run_)(this); }
   void RunBenchmark();
 
-  static void RunAll();
+  static void RunAll(const char* executable);
+  static void SetExecutable(const char* arg) { executable_ = arg; }
+  static const char* Executable() { return executable_; }
 
  private:
   static Benchmark* first_;
   static Benchmark* tail_;
+  static const char* executable_;
 
   RunEntry* const run_;
   const char* name_;
   intptr_t score_;
   Dart_Isolate isolate_;
   Benchmark* next_;
 
   DISALLOW_COPY_AND_ASSIGN(Benchmark);
 };
 
@@ skipping 14 matching lines @@
 
  private:
   Benchmark* benchmark_;
 
   DISALLOW_COPY_AND_ASSIGN(BenchmarkIsolateScope);
 };
 
 }  // namespace dart
 
 #endif  // VM_BENCHMARK_TEST_H_