Storage manager: Show overall size information and size of Downloads.

chrome/app/chromeos_strings.grdp

Index: chrome/app/chromeos_strings.grdp
diff --git a/chrome/app/chromeos_strings.grdp b/chrome/app/chromeos_strings.grdp
index 15d033abb1a77436920915cfe7be59c1b1c7067b..58fc5edadd225e809ccd6b518547d0fd7cdfa373 100644
--- a/chrome/app/chromeos_strings.grdp
+++ b/chrome/app/chromeos_strings.grdp
@@ -2551,6 +2551,18 @@ Press any key to continue exploring.
   <message name="IDS_OPTIONS_SETTINGS_STORAGE_MANAGER_TAB_TITLE" desc="Title for the storage manager tab.">
     Storage
   </message>
+  <message name="IDS_OPTIONS_SETTINGS_STORAGE_ITEM_LABEL_CAPACITY" desc="In storage manager overlay, label for the total size of Chrome OS internal storage.">
+    Capacity
+  </message>
+  <message name="IDS_OPTIONS_SETTINGS_STORAGE_ITEM_LABEL_IN_USE" desc="In storage manager overlay, label for the used storage size of Chrome OS internal storage.">
+    In use
+  </message>
+  <message name="IDS_OPTIONS_SETTINGS_STORAGE_ITEM_LABEL_AVAILABLE" desc="In storage manager overlay, label for the available storage size of Chrome OS internal storage.">
+    Available
+  </message>
+  <message name="IDS_OPTIONS_SETTINGS_STORAGE_SUBITEM_LABEL_DOWNLOADS" desc="In storage manager overlay, label for the size of Downloads directory.">
+    Downloads
+  </message>
   <message name="IDS_OPTIONS_ACCOUNTS_ALLOW_BWSI_DESCRIPTION" desc="In the Accounts settings tab, the text on the checkbox to allow browse without signing in.">
     Enable Guest browsing
   </message>