Add flags entry to enable Chrome OS component updates fature.

chrome/browser/component_updater/pepper_flash_component_installer.cc

Index: chrome/browser/component_updater/pepper_flash_component_installer.cc
diff --git a/chrome/browser/component_updater/pepper_flash_component_installer.cc b/chrome/browser/component_updater/pepper_flash_component_installer.cc
index 77e261784161be9dd84eaa1a1d06fabb8090c10f..3e95ec5c1d0d71c5127377527b8ff77b770b150a 100644
--- a/chrome/browser/component_updater/pepper_flash_component_installer.cc
+++ b/chrome/browser/component_updater/pepper_flash_component_installer.cc
@@ -45,7 +45,7 @@
 #include "ppapi/shared_impl/ppapi_permissions.h"
 
 #if defined(OS_CHROMEOS)
-#include "base/feature_list.h"
+#include "chrome/common/chrome_features.h"
 #include "chromeos/dbus/dbus_method_call_status.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/image_loader_client.h"
@@ -316,11 +316,8 @@ void RegisterPepperFlashComponent(ComponentUpdateService* cus) {
     return;
 
 #if defined(OS_CHROMEOS)
-   const base::Feature kCrosCompUpdates {
-     "CrosCompUpdates", base::FEATURE_DISABLED_BY_DEFAULT
-   };
-   if (!base::FeatureList::IsEnabled(kCrosCompUpdates))
-     return;
+  if (!base::FeatureList::IsEnabled(features::kCrosCompUpdates))
+    return;
 #endif  // defined(OS_CHROMEOS)
 
   std::unique_ptr<ComponentInstallerTraits> traits(