Adds InitialRSS benchmark

runtime/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 30 matching lines @@
     Thread* __thread__ = Thread::Current();                                    \
     ASSERT(__thread__->isolate() == benchmark->isolate());                     \
     StackZone __zone__(__thread__);                                            \
     HandleScope __hs__(__thread__);                                            \
     Dart_BenchmarkHelper##name(benchmark, __thread__);                         \
   }                                                                            \
   static void Dart_BenchmarkHelper##name(Benchmark* benchmark, Thread* thread)
 
 #define BENCHMARK(name) BENCHMARK_HELPER(name, "RunTime")
 #define BENCHMARK_SIZE(name) BENCHMARK_HELPER(name, "CodeSize")
-
+#define BENCHMARK_MEMORY(name) BENCHMARK_HELPER(name, "Memory")
 
 inline Dart_Handle NewString(const char* str) {
   return Dart_NewStringFromCString(str);
 }
 
 
 class Benchmark {
  public:
   typedef void (RunEntry)(Benchmark* benchmark);
 
@@ skipping 60 matching lines @@
 
  private:
   Benchmark* benchmark_;
 
   DISALLOW_COPY_AND_ASSIGN(BenchmarkIsolateScope);
 };
 
 }  // namespace dart
 
 #endif  // VM_BENCHMARK_TEST_H_