Desktop fast shutdown experiment

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 3b02122611bd9780277972e204e75b338839e0de..89aa0105bbac96291d7b3d8a6e57a45a384a93d4 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -176,7 +176,9 @@
 #include "chrome/browser/metrics/thread_watcher_android.h"
 #include "ui/base/resource/resource_bundle_android.h"
 #else
+#include "chrome/browser/features.h"
 #include "chrome/browser/feedback/feedback_profile_observer.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
 #endif  // defined(OS_ANDROID)
 
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
@@ -1982,6 +1984,12 @@ bool ChromeBrowserMainParts::MainMessageLoopRun(int* result_code) {
       g_browser_process->local_state());
   run_loop.Run();
 
+  if (base::FeatureList::IsEnabled(features::kDesktopFastShutdown)) {
+    // Experiment to determine the impact of always taking the quick exit path.
+    // There is no returning from this call as it terminates the process.
+    chrome::SessionEnding();
+  }
+
   return true;
 #endif  // defined(OS_ANDROID)
 }