Add configurable limit to allocations in heap profiler.

base/trace_event/heap_profiler_heap_dump_writer.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_TRACE_EVENT_HEAP_PROFILER_HEAP_DUMP_WRITER_H_
 #define BASE_TRACE_EVENT_HEAP_PROFILER_HEAP_DUMP_WRITER_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 79 matching lines @@
   std::set<Entry> entries_;
 
   // Helper for generating the |stackFrames| dictionary. Not owned, must outlive
   // this heap dump writer instance.
   StackFrameDeduplicator* const stack_frame_deduplicator_;
 
   // Helper for converting type names to IDs. Not owned, must outlive this heap
   // dump writer instance.
   TypeNameDeduplicator* const type_name_deduplicator_;
 
+  // Minimum size of an allocation for which a stack trace will be kept.

[ssid, 2016/04/20 23:00:30]

It is not just stack trace, it could be type buckets as well. maybe "for which
an allocation bucket will be broken down with children"?

[Maria, 2016/04/21 00:03:56]

Done.

+  size_t min_allocation_size_bytes_;
+
   DISALLOW_COPY_AND_ASSIGN(HeapDumpWriter);
 };
 
 }  // namespace internal
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_HEAP_PROFILER_HEAP_DUMP_WRITER_H_