Revert of [counters] moving runtime counters to counter.h

src/runtime/runtime-internal.cc

Index: src/runtime/runtime-internal.cc
diff --git a/src/runtime/runtime-internal.cc b/src/runtime/runtime-internal.cc
index 0ca2e84d3dbc62d9a214e0085041e64c77a93792..a0ec3bd33217e524893df209a4530a77e3dcf5fe 100644
--- a/src/runtime/runtime-internal.cc
+++ b/src/runtime/runtime-internal.cc
@@ -482,10 +482,10 @@
   HandleScope scope(isolate);
   DCHECK_EQ(0, args.length());
   std::stringstream stats_stream;
-  isolate->counters()->runtime_call_stats()->Print(stats_stream);
+  isolate->runtime_state()->runtime_call_stats()->Print(stats_stream);
   Handle<String> result =
       isolate->factory()->NewStringFromAsciiChecked(stats_stream.str().c_str());
-  isolate->counters()->runtime_call_stats()->Reset();
+  isolate->runtime_state()->runtime_call_stats()->Reset();
   return *result;
 }