Emit UMAs for metrics from memory instrumentation service.

chrome/browser/metrics/chrome_metrics_service_client.cc

Index: chrome/browser/metrics/chrome_metrics_service_client.cc
diff --git a/chrome/browser/metrics/chrome_metrics_service_client.cc b/chrome/browser/metrics/chrome_metrics_service_client.cc
index 5adb54f0295c176372cd3ab7440332a5936b94f3..e4fb1d22267083c4913f9d7c1479a682fc720589 100644
--- a/chrome/browser/metrics/chrome_metrics_service_client.cc
+++ b/chrome/browser/metrics/chrome_metrics_service_client.cc
@@ -40,6 +40,7 @@
 #include "chrome/browser/metrics/https_engagement_metrics_provider.h"
 #include "chrome/browser/metrics/metrics_reporting_state.h"
 #include "chrome/browser/metrics/network_quality_estimator_provider_impl.h"
+#include "chrome/browser/metrics/process_memory_metrics_emitter.h"
 #include "chrome/browser/metrics/sampling_metrics_provider.h"
 #include "chrome/browser/metrics/subprocess_metrics_provider.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ -808,6 +809,10 @@ void ChromeMetricsServiceClient::CollectFinalHistograms() {
   scoped_refptr<MetricsMemoryDetails> details(
       new MetricsMemoryDetails(callback, &memory_growth_tracker_));
   details->StartFetch();
+
+  scoped_refptr<ProcessMemoryMetricsEmitter> emitter(
+      new ProcessMemoryMetricsEmitter);
+  emitter->FetchAndEmitProcessMemoryMetrics();
 }
 
 void ChromeMetricsServiceClient::OnMemoryDetailCollectionDone() {