Return timestamp of the last recorded interval to the caller of HeapProfiler::GetHeapStats

test/cctest/test-heap-profiler.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1026 matching lines @@
   int intervals_count_;
   int first_interval_index_;
 };
 
 }  // namespace
 
 static TestStatsStream GetHeapStatsUpdate(
     v8::HeapProfiler* heap_profiler,
     v8::SnapshotObjectId* object_id = NULL) {
   TestStatsStream stream;
-  v8::SnapshotObjectId last_seen_id = heap_profiler->GetHeapStats(&stream);
+  int64_t timestamp = -1;
+  v8::SnapshotObjectId last_seen_id =
+      heap_profiler->GetHeapStats(&stream, &timestamp);
   if (object_id)
     *object_id = last_seen_id;
+  CHECK_NE(-1, timestamp);
   CHECK_EQ(1, stream.eos_signaled());
   return stream;
 }
 
 
 TEST(HeapSnapshotObjectsStats) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler();
 
@@ skipping 1701 matching lines @@
   map.AddRange(ToAddress(0x180), 0x80, 6U);
   map.AddRange(ToAddress(0x180), 0x80, 7U);
   CHECK_EQ(7u, map.GetTraceNodeId(ToAddress(0x180)));
   CHECK_EQ(5u, map.GetTraceNodeId(ToAddress(0x200)));
   CHECK_EQ(3u, map.size());
 
   map.Clear();
   CHECK_EQ(0u, map.size());
   CHECK_EQ(0u, map.GetTraceNodeId(ToAddress(0x400)));
 }