Memory-monitor for Mac.

content/browser/memory/memory_coordinator.h

Index: content/browser/memory/memory_coordinator.h
diff --git a/content/browser/memory/memory_coordinator.h b/content/browser/memory/memory_coordinator.h
index 682f1ba628142c1a9a001c14a97179a1c8b5c3a9..f8998361bc9380303ea71587f25f526da0b185d9 100644
--- a/content/browser/memory/memory_coordinator.h
+++ b/content/browser/memory/memory_coordinator.h
@@ -7,6 +7,7 @@
 
 #include "base/memory/memory_coordinator_client_registry.h"
 #include "base/process/process_handle.h"
+#include "base/time/time.h"
 #include "content/common/content_export.h"
 #include "content/common/memory_coordinator.mojom.h"
 #include "content/public/browser/memory_coordinator_delegate.h"
@@ -52,6 +53,9 @@ class CONTENT_EXPORT MemoryCoordinator {
   // if the process is not tracked by this coordinator.
   mojom::MemoryState GetMemoryState(int render_process_id) const;
 
+  // Returns the interval between memory checks.
+  virtual base::TimeDelta GetMonitoringInterval() const;
+
   // Called when ChildMemoryCoordinator calls AddChild().
   virtual void OnChildAdded(int render_process_id) {}