Add flags for CrOS Component using Feature API

chrome/browser/flag_descriptions.cc

Index: chrome/browser/flag_descriptions.cc
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 7c2995210c15df3565d546caf22660119c0a3a97..0989d5f39a7030b0ddfe553eec3230516590ece1 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -2332,6 +2332,12 @@ const char kEnableZipArchiverOnFileManagerName[] =
 const char kEnableZipArchiverOnFileManagerDescription[] =
     "Enable the ability to archive and unpack files on Drive in the Files app";
 
+const char kCrOSComponentName[] = "Chrome OS Component";
+
+const char kCrOSComponentDescription[] =
+    "Enable the use of Chrome OS Component to download Chrome OS features "
+    "on-demand as components.";
+
 #endif  // defined(OS_CHROMEOS)
 
 #if defined(OS_ANDROID)