memory coordinator: Purge memory under memory pressure

content/browser/memory/memory_condition_observer.cc

Index: content/browser/memory/memory_condition_observer.cc
diff --git a/content/browser/memory/memory_condition_observer.cc b/content/browser/memory/memory_condition_observer.cc
index 973eccf99825793a2ebab2381562c7f5b0a6ee4f..0891302d8fe63bff1ae53f01c9bb0af8cd502b49 100644
--- a/content/browser/memory/memory_condition_observer.cc
+++ b/content/browser/memory/memory_condition_observer.cc
@@ -28,7 +28,7 @@ const int kDefaultNewRenderersUntilWarning = 4;
 const int kDefaultNewRenderersUntilCritical = 2;
 const int kDefaultNewRenderersBackToNormal = 5;
 const int kDefaultNewRenderersBackToWarning = 3;
-const int kDefaultMonitoringIntervalSeconds = 5;
+const int kDefaultMonitoringIntervalSeconds = 1;

[bashi, 2017/03/28 05:48:36]

It seems that base::chromeos::MemoryPressureMonitor uses 1 sec for the interval.
I think we should use the same interval.

 const int kMonitoringIntervalBackgroundedSeconds = 120;
 
 void SetIntVariationParameter(const std::map<std::string, std::string> params,