Update Sad Tab help text and link.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'dependencies': [
@@ skipping 2614 matching lines @@
         'browser/ui/cocoa/simple_message_box_mac.mm',
         'browser/ui/cocoa/speech_input_window_controller.h',
         'browser/ui/cocoa/speech_input_window_controller.mm',
         'browser/ui/cocoa/ssl_client_certificate_selector.mm',
         'browser/ui/cocoa/status_bubble_mac.h',
         'browser/ui/cocoa/status_bubble_mac.mm',
         'browser/ui/cocoa/status_icons/status_icon_mac.h',
         'browser/ui/cocoa/status_icons/status_icon_mac.mm',
         'browser/ui/cocoa/status_icons/status_tray_mac.h',
         'browser/ui/cocoa/status_icons/status_tray_mac.mm',
+        'browser/ui/cocoa/static_text_view.h',
+        'browser/ui/cocoa/static_text_view.mm',
         'browser/ui/cocoa/styled_text_field.h',
         'browser/ui/cocoa/styled_text_field.mm',
         'browser/ui/cocoa/styled_text_field_cell.h',
         'browser/ui/cocoa/styled_text_field_cell.mm',
         'browser/ui/cocoa/tab_contents/favicon_util.h',
         'browser/ui/cocoa/tab_contents/favicon_util.mm',
         'browser/ui/cocoa/tab_contents/previewable_contents_controller.h',
         'browser/ui/cocoa/tab_contents/previewable_contents_controller.mm',
         'browser/ui/cocoa/tab_contents/sad_tab_controller.h',
         'browser/ui/cocoa/tab_contents/sad_tab_controller.mm',
@@ skipping 2250 matching lines @@
               # weak imports in dependents, who still must #include
               # closure_blocks_leopard_compat.h to get weak imports.
               'type': 'none',
             }],
           ],
         },
       ],
     }],
   ],
 }