[tracing] Ignore tracing allocations in heap profiler

base/trace_event/malloc_dump_provider.cc

Index: base/trace_event/malloc_dump_provider.cc
diff --git a/base/trace_event/malloc_dump_provider.cc b/base/trace_event/malloc_dump_provider.cc
index 17e5c1e62074f95720442ee3b49a944607b490bf..cc26b5254cd9d38840c2b4a75c6fd6dea065555a 100644
--- a/base/trace_event/malloc_dump_provider.cc
+++ b/base/trace_event/malloc_dump_provider.cc
@@ -85,6 +85,21 @@ AllocatorDispatch g_allocator_hooks = {
 }  // namespace
 #endif  // BUILDFLAG(USE_EXPERIMENTAL_ALLOCATOR_SHIM)
 
+MallocDumpProvider::ScopedHeapProfilerIgnoreMalloc::
+    ScopedHeapProfilerIgnoreMalloc() {
+  if (UNLIKELY(AllocationContextTracker::capture_enabled())) {
+    AllocationContextTracker::GetInstanceForCurrentThread()
+        ->start_ignore_scope();
+  }
+}
+
+MallocDumpProvider::ScopedHeapProfilerIgnoreMalloc::
+    ~ScopedHeapProfilerIgnoreMalloc() {
+  if (UNLIKELY(AllocationContextTracker::capture_enabled())) {
+    AllocationContextTracker::GetInstanceForCurrentThread()->end_ignore_scope();
+  }
+}
+
 // static
 const char MallocDumpProvider::kAllocatedObjects[] = "malloc/allocated_objects";