Add newlines to the end of files where they were missing

chrome/browser/ui/cocoa/bookmarks/bookmark_sync_promo_controller_unittest.mm

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_sync_promo_controller.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/mac/scoped_nsobject.h"
@@ skipping 13 matching lines @@
       [[BookmarkSyncPromoController alloc] initWithBrowser:browser()]);
 
   // Simulate clicking the "Sign in" link.
   [syncPromo textView:nil clickedOnLink:nil atIndex:0u];
 
   // A new tab should have been opened.
   int tab_count = browser()->tab_strip_model()->count();
   EXPECT_EQ(starting_tab_count + 1, tab_count);
 }
 
-}  // namespace
+}  // namespace