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 7d2cbd76361245525c74f55b5aa1234c31098c00..dd1e2b1a5e3e48001d5a4523cfad5ca224599c3f 100644
--- a/content/browser/memory/memory_coordinator.h
+++ b/content/browser/memory/memory_coordinator.h
@@ -8,6 +8,7 @@
 #include "base/memory/memory_coordinator_client_registry.h"
 #include "base/memory/memory_pressure_monitor.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"
@@ -56,6 +57,9 @@ class CONTENT_EXPORT MemoryCoordinator {
   void RecordMemoryPressure(
       base::MemoryPressureMonitor::MemoryPressureLevel level);
 
+  // Returns the interval between memory checks.
+  virtual base::TimeDelta GetMonitoringInterval() const;
+
   // Called when ChildMemoryCoordinator calls AddChild().
   virtual void OnChildAdded(int render_process_id) {}