--disable-download-shelf

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 707c0056416a2f10c6b3c2248b55b2528fa88f49..99227d6c91bb5930245c9237a2173a5c2947474a 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -7036,6 +7036,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_ENABLE_DOWNLOAD_RESUMPTION_DESCRIPTION" desc="Description for the flag to enable the download resume feature.">
         Allow downloads that have been interrupted to be continued or restarted, using the Resume context menu item.
       </message>
+      <message name="IDS_FLAGS_DISABLE_DOWNLOAD_SHELF_NAME" desc="Title for the flag to disable the download shelf.">
+        Disable Download Shelf
+      </message>
+      <message name="IDS_FLAGS_DISABLE_DOWNLOAD_SHELF_DESCRIPTION" desc="Description for the flag to disable the download shelf.">
+        Disable the gray download shelf at the bottom of the window. There will be no indication of downloads unless an extension provides it.

[asanka, 2013/07/24 20:09:57]

The color of the shelf depends on the theme.

You could mention that the download would show up in the downloads page.

+      </message>
       <message name="IDS_FLAGS_DISABLE_RESTORE_SESSION_STATE_NAME" desc="Title for the flag to disable restoring (more) session state after restarts and crashes.">
         Disable Better session restore
       </message>