Update from https://crrev.com/318214

base/trace_event/process_memory_dump.h

Index: base/trace_event/process_memory_dump.h
diff --git a/base/trace_event/process_memory_dump.h b/base/trace_event/process_memory_dump.h
index f70537b41dd94bba890bcef4876ed239858b39d2..4256c4cadc81340bf05c7d7ea54e25d366f7a93d 100644
--- a/base/trace_event/process_memory_dump.h
+++ b/base/trace_event/process_memory_dump.h
@@ -6,6 +6,7 @@
 #define BASE_TRACE_EVENT_PROCESS_MEMORY_DUMP_H_
 
 #include "base/base_export.h"
+#include "base/trace_event/process_memory_maps.h"
 #include "base/trace_event/process_memory_totals.h"
 
 namespace base {
@@ -31,10 +32,17 @@ class BASE_EXPORT ProcessMemoryDump {
   bool has_process_totals() const { return has_process_totals_; }
   void set_has_process_totals() { has_process_totals_ = true; }
 
+  ProcessMemoryMaps* process_mmaps() { return &process_mmaps_; }
+  bool has_process_mmaps() const { return has_process_mmaps_; }
+  void set_has_process_mmaps() { has_process_mmaps_ = true; }
+
  private:
   ProcessMemoryTotals process_totals_;
   bool has_process_totals_;
 
+  ProcessMemoryMaps process_mmaps_;
+  bool has_process_mmaps_;
+
   DISALLOW_COPY_AND_ASSIGN(ProcessMemoryDump);
 };