cocoa: add --use-views-task-manager

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 49f6b5d95519744d9557a60cc5a2c3a0c90b560c..5ac47545fc9b9ce3151e220829f46cba64be7151 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1048,6 +1048,10 @@ const char kRelauncherProcessDMGDevice[]    = "dmg-device";
 // Indicates whether Chrome should be set as the default browser during
 // installation.
 const char kMakeChromeDefault[] = "make-chrome-default";
+
+// Indicates whether to use the Views Task Manager.
+const base::Feature kViewsTaskManager{"ViewsTaskManager",
+                                      base::FEATURE_DISABLED_BY_DEFAULT};
 #endif  // defined(OS_MACOSX)
 
 #if defined(OS_WIN)