Port storage manager to MD settings.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 8c01371c200db0624324aebee1e473f33040bd77..ca61327126559894ebaeb1e9312fcec7399a3b01 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1208,6 +1208,10 @@ const FeatureEntry kFeatureEntries[] = {
      IDS_FLAGS_STORAGE_MANAGER_DESCRIPTION, kOsCrOS,
      ENABLE_DISABLE_VALUE_TYPE(chromeos::switches::kEnableStorageManager,
                                chromeos::switches::kDisableStorageManager)},
+    {"enable-md-storage-manager", IDS_FLAGS_MD_STORAGE_MANAGER_NAME,
+     IDS_FLAGS_MD_STORAGE_MANAGER_DESCRIPTION, kOsCrOS,
+     ENABLE_DISABLE_VALUE_TYPE(chromeos::switches::kEnableMdStorageManager,
+                               chromeos::switches::kDisableMdStorageManager)},
 #endif  // OS_CHROMEOS
     {"enable-simple-cache-backend", IDS_FLAGS_SIMPLE_CACHE_BACKEND_NAME,
      IDS_FLAGS_SIMPLE_CACHE_BACKEND_DESCRIPTION,