memory-infra: remove light dumps and increment default dump time to 5s

base/trace_event/trace_config.cc

Index: base/trace_event/trace_config.cc
diff --git a/base/trace_event/trace_config.cc b/base/trace_event/trace_config.cc
index 7ee9a4a101b4f13dcd4455be4a5406aa1b9e5e45..b6fefa96aafd33dab84d41d09e876bd8afba485a 100644
--- a/base/trace_event/trace_config.cc
+++ b/base/trace_event/trace_config.cc
@@ -52,12 +52,9 @@ const char kFilterPredicateParam[] = "filter_predicate";
 const char kFilterArgsParam[] = "filter_args";
 
 // Default configuration of memory dumps.
-const TraceConfig::MemoryDumpConfig::Trigger kDefaultHeavyMemoryDumpTrigger = {
-    2000,  // min_time_between_dumps_ms
+const TraceConfig::MemoryDumpConfig::Trigger kDefaultMemoryDumpTrigger = {
+    5000,  // min_time_between_dumps_ms
     MemoryDumpLevelOfDetail::DETAILED, MemoryDumpType::PERIODIC_INTERVAL};
-const TraceConfig::MemoryDumpConfig::Trigger kDefaultLightMemoryDumpTrigger = {
-    250,  // min_time_between_dumps_ms
-    MemoryDumpLevelOfDetail::LIGHT, MemoryDumpType::PERIODIC_INTERVAL};
 
 class ConvertableTraceConfigToTraceFormat
     : public base::trace_event::ConvertableToTraceFormat {
@@ -462,8 +459,7 @@ void TraceConfig::SetMemoryDumpConfigFromConfigDict(
 
 void TraceConfig::SetDefaultMemoryDumpConfig() {
   memory_dump_config_.Clear();
-  memory_dump_config_.triggers.push_back(kDefaultHeavyMemoryDumpTrigger);
-  memory_dump_config_.triggers.push_back(kDefaultLightMemoryDumpTrigger);
+  memory_dump_config_.triggers.push_back(kDefaultMemoryDumpTrigger);
   memory_dump_config_.allowed_dump_modes = GetDefaultAllowedMemoryDumpModes();
 }