Add configurable limit to allocations in heap profiler.

base/trace_event/heap_profiler_heap_dump_writer.h

Index: base/trace_event/heap_profiler_heap_dump_writer.h
diff --git a/base/trace_event/heap_profiler_heap_dump_writer.h b/base/trace_event/heap_profiler_heap_dump_writer.h
index 88fb86f523ba0275afbf4839bde3dc46e64581b2..c18b1933bc5e7e84be43143b429c51438eec362d 100644
--- a/base/trace_event/heap_profiler_heap_dump_writer.h
+++ b/base/trace_event/heap_profiler_heap_dump_writer.h
@@ -97,6 +97,10 @@ class BASE_EXPORT HeapDumpWriter {
   // dump writer instance.
   TypeNameDeduplicator* const type_name_deduplicator_;
 
+  // Minimum size of an allocation for which an allocation bucket will be
+  // broken down with children.
+  size_t min_allocation_size_bytes_;

[Primiano Tucci (use gerrit), 2016/04/21 16:53:22]

breakdown_threshold_bytes_? (to match the name of BreakDown function)

+
   DISALLOW_COPY_AND_ASSIGN(HeapDumpWriter);
 };