Convert most of extensions and some other random stuff to using the base namespace for Values.

chrome/browser/extensions/permissions_updater.cc

Index: chrome/browser/extensions/permissions_updater.cc
diff --git a/chrome/browser/extensions/permissions_updater.cc b/chrome/browser/extensions/permissions_updater.cc
index 46bb60f7698a4d95443f39a1bbd772a95ee22dea..a9853321d6a4173e1bb4aecab7e3449d05f64abb 100644
--- a/chrome/browser/extensions/permissions_updater.cc
+++ b/chrome/browser/extensions/permissions_updater.cc
@@ -101,7 +101,7 @@ void PermissionsUpdater::DispatchEvent(
       !ExtensionSystem::Get(profile_)->event_router())
     return;
 
-  scoped_ptr<ListValue> value(new ListValue());
+  scoped_ptr<base::ListValue> value(new base::ListValue());
   scoped_ptr<api::permissions::Permissions> permissions =
       PackPermissionSet(changed_permissions);
   value->Append(permissions->ToValue().release());