Remove experimental.rlz extension api completely

chrome/chrome_browser.gypi

 # Copyright 2012 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',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 2603 matching lines @@
             'browser/media_galleries/fileapi/safe_picasa_albums_indexer.h',
           ],
         }],
         ['enable_extensions==1', {
           'sources': [
             # Only extension API implementations should go here.
             'browser/accessibility/accessibility_extension_api.cc',
             'browser/accessibility/accessibility_extension_api.h',
             'browser/infobars/infobar_extension_api.cc',
             'browser/infobars/infobar_extension_api.h',
-            'browser/rlz/rlz_extension_api.cc',
-            'browser/rlz/rlz_extension_api.h',
             'browser/speech/extension_api/tts_extension_api.cc',
             'browser/speech/extension_api/tts_extension_api.h',
             'browser/speech/extension_api/tts_engine_extension_api.cc',
             'browser/speech/extension_api/tts_engine_extension_api.h',
           ],
         }, {
           'sources!': [
             'browser/content_settings/content_settings_custom_extension_provider.cc',
             'browser/content_settings/content_settings_custom_extension_provider.h',
             'browser/content_settings/content_settings_internal_extension_provider.cc',
@@ skipping 961 matching lines @@
             'package_name': 'org/chromium/chrome/browser/ui/toolbar',
             'template_deps': ['browser/ui/toolbar/toolbar_model_security_level_list.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }