rename minimal_benchmark.h and fix recursive include in benchmark_api.h

include/benchmark/benchmark.h

@@ -15,7 +15,7 @@
 #define BENCHMARK_BENCHMARK_H_
 
 #include "macros.h"
-#include "minimal_benchmark.h"
+#include "benchmark_api.h"
 #include "reporter.h"
 
 #endif // BENCHMARK_BENCHMARK_H_

include/benchmark/minimal_benchmark.h → include/benchmark/benchmark_api.h

@@ -132,8 +132,8 @@ static void BM_MultiThreaded(benchmark::State& state) {
 BENCHMARK(BM_MultiThreaded)->Threads(4);
 */
 
-#ifndef BENCHMARK_MINIMAL_BENCHMARK_H_
-#define BENCHMARK_MINIMAL_BENCHMARK_H_
+#ifndef BENCHMARK_BENCHMARK_API_H_
+#define BENCHMARK_BENCHMARK_API_H_
 
 #include <assert.h>
 #include <stddef.h>
@@ -462,4 +462,4 @@ class Benchmark {
     ::benchmark::RunSpecifiedBenchmarks();           \
   }
 
-#endif  // BENCHMARK_MINIMAL_BENCHMARK_H_
+#endif  // BENCHMARK_BENCHMARK_API_H_

include/benchmark/reporter.h

@@ -18,7 +18,7 @@
 #include <utility>
 #include <vector>
 
-#include "benchmark.h" // For forward declaration of BenchmarkReporter
+#include "benchmark_api.h" // For forward declaration of BenchmarkReporter
 
 namespace benchmark {