Return shared_ptr by value plus minor dependency fix

Makefile

@@ -3199,6 +3199,7 @@ endif
 
 
 LIBGRPC++_BENCHMARK_CONFIG_SRC = \
+    $(GENDIR)/test/cpp/qps/qpstest.pb.cc $(GENDIR)/test/cpp/qps/qpstest.grpc.pb.cc \
     test/cpp/qps/report.cc \
     test/cpp/util/benchmark_config.cc \
 
@@ -3244,6 +3245,8 @@ ifneq ($(NO_DEPS),true)
 -include $(LIBGRPC++_BENCHMARK_CONFIG_OBJS:.o=.dep)
 endif
 endif
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/report.o: $(GENDIR)/test/cpp/qps/qpstest.pb.cc $(GENDIR)/test/cpp/qps/qpstest.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/util/benchmark_config.o: $(GENDIR)/test/cpp/qps/qpstest.pb.cc $(GENDIR)/test/cpp/qps/qpstest.grpc.pb.cc
 
 
 LIBGRPC++_TEST_CONFIG_SRC = \

build.json

@@ -530,6 +530,7 @@
       "build": "private",
       "language": "c++",
       "src": [
+        "test/cpp/qps/qpstest.proto",
         "test/cpp/qps/report.cc",
         "test/cpp/util/benchmark_config.cc"
       ]

test/cpp/util/benchmark_config.cc

@@ -60,7 +60,7 @@ static std::shared_ptr<Reporter> InitBenchmarkReporters() {
   return std::shared_ptr<Reporter>(composite_reporter);
 }
 
-const std::shared_ptr<Reporter>& GetReporter() {
+std::shared_ptr<Reporter> GetReporter() {
   static std::shared_ptr<Reporter> reporter(InitBenchmarkReporters());
   return reporter;
 }

test/cpp/util/benchmark_config.h

@@ -49,7 +49,7 @@ void InitBenchmark(int* argc, char*** argv, bool remove_flags);
  * The returned instane will take care of generating reports for all the actual
  * reporters configured via the "enable_*_reporter" command line flags (see
  * benchmark_config.cc). */
-const std::shared_ptr<Reporter>& GetReporter();
+std::shared_ptr<Reporter> GetReporter();
 
 }  // namespace testing
 }  // namespace grpc