EDK: Move ref counting classes to mojo/edk/util.

mojo/edk/util/ref_counted_perftest.cc

Index: mojo/edk/util/ref_counted_perftest.cc
diff --git a/mojo/edk/system/ref_counted_perftest.cc b/mojo/edk/util/ref_counted_perftest.cc
similarity index 70%
rename from mojo/edk/system/ref_counted_perftest.cc
rename to mojo/edk/util/ref_counted_perftest.cc
index c7100fe3a4d58f4ddee08e84e5c936f0a6aa94ce..3c270e5787a2f60e3f034f66839f206f4486edd0 100644
--- a/mojo/edk/system/ref_counted_perftest.cc
+++ b/mojo/edk/util/ref_counted_perftest.cc
@@ -4,14 +4,14 @@
 
 #include <stdint.h>
 
-#include "mojo/edk/system/ref_counted.h"
 #include "mojo/edk/system/test/perf_log.h"
 #include "mojo/edk/system/test/stopwatch.h"
 #include "mojo/edk/system/test/timeouts.h"
+#include "mojo/edk/util/ref_counted.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
-namespace system {
+namespace util {
 namespace {
 
 class MyClass : public RefCountedThreadSafe<MyClass> {
@@ -29,7 +29,7 @@ class MyClass : public RefCountedThreadSafe<MyClass> {
 
 TEST(RefCountedPerfTest, OneThreadCreateAdoptDestroy) {
   uint64_t iterations = 0;
-  test::Stopwatch stopwatch;
+  system::test::Stopwatch stopwatch;
   stopwatch.Start();
   do {
     for (size_t i = 0; i < 1000; i++, iterations++) {
@@ -37,32 +37,32 @@ TEST(RefCountedPerfTest, OneThreadCreateAdoptDestroy) {
       x = nullptr;
     }
     iterations++;
-  } while (stopwatch.Elapsed() < test::DeadlineFromMilliseconds(1000));
+  } while (stopwatch.Elapsed() < system::test::DeadlineFromMilliseconds(1000));
   double elapsed = stopwatch.Elapsed() / 1000000.0;
 
-  test::LogPerfResult("OneThreadCreateAdoptDestroy", iterations / elapsed,
-                      "iterations/s");
+  system::test::LogPerfResult("OneThreadCreateAdoptDestroy",
+                              iterations / elapsed, "iterations/s");
 }
 
 TEST(RefCountedPerfTest, OneThreadAssignRefPtr) {
   RefPtr<MyClass> x = MyClass::Create();
   uint64_t iterations = 0;
-  test::Stopwatch stopwatch;
+  system::test::Stopwatch stopwatch;
   stopwatch.Start();
   do {
     for (size_t i = 0; i < 1000; i++, iterations++) {
       RefPtr<MyClass> y = x;
     }
     iterations++;
-  } while (stopwatch.Elapsed() < test::DeadlineFromMilliseconds(1000));
+  } while (stopwatch.Elapsed() < system::test::DeadlineFromMilliseconds(1000));
   double elapsed = stopwatch.Elapsed() / 1000000.0;
 
-  test::LogPerfResult("OneThreadAssignRefPtr", iterations / elapsed,
-                      "iterations/s");
+  system::test::LogPerfResult("OneThreadAssignRefPtr", iterations / elapsed,
+                              "iterations/s");
 }
 
 // TODO(vtl): Add threaded perf tests.
 
 }  // namespace
-}  // namespace system
+}  // namespace util
 }  // namespace mojo