Trace-based benchmarking via a mojo app.

apps/benchmark/BUILD.gn

Index: apps/benchmark/BUILD.gn
diff --git a/examples/trace_me/BUILD.gn b/apps/benchmark/BUILD.gn
similarity index 56%
copy from examples/trace_me/BUILD.gn
copy to apps/benchmark/BUILD.gn
index ab4c4cfc3b3ff992a3f8f5d0b875802f5da5d433..84b3a80dd4aaea30f2cb18062f0a9d5f2de507d9 100644
--- a/examples/trace_me/BUILD.gn
+++ b/apps/benchmark/BUILD.gn
@@ -4,9 +4,17 @@
 
 import("//mojo/public/mojo_application.gni")
 
-mojo_native_application("trace_me") {
+mojo_native_application("benchmark") {
   sources = [
-    "trace_me_app.cc",
+    "args.cc",
+    "args.h",
+    "benchmark_app.cc",
+    "event.cc",
+    "event.h",
+    "measurements.cc",
+    "measurements.h",
+    "trace_collector_client.cc",
+    "trace_collector_client.h",
   ]
 
   deps = [
@@ -14,6 +22,6 @@ mojo_native_application("trace_me") {
     "//mojo/application:application",
     "//mojo/common:tracing_impl",
     "//mojo/public/cpp/application",
-    "//mojo/public/cpp/utility",
+    "//mojo/services/tracing/public/interfaces",
   ]
 }