Move ExtensionFunction to the extensions component.

chrome/chrome_browser_extensions.gypi

 # Copyright (c) 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 667 matching lines @@
         'browser/extensions/extension_creator_filter.cc',
         'browser/extensions/extension_creator_filter.h',
         'browser/extensions/extension_disabled_ui.cc',
         'browser/extensions/extension_disabled_ui.h',
         'browser/extensions/extension_error_reporter.cc',
         'browser/extensions/extension_error_reporter.h',
         'browser/extensions/extension_error_ui.cc',
         'browser/extensions/extension_error_ui.h',
         'browser/extensions/extension_error_ui_default.cc',
         'browser/extensions/extension_error_ui_default.h',
-        'browser/extensions/extension_function.cc',
-        'browser/extensions/extension_function.h',
         'browser/extensions/extension_function_dispatcher.cc',
         'browser/extensions/extension_function_dispatcher.h',
         'browser/extensions/extension_function_registry.cc',
         'browser/extensions/extension_function_registry.h',
         'browser/extensions/extension_function_util.cc',
         'browser/extensions/extension_function_util.h',
         'browser/extensions/extension_host.cc',
         'browser/extensions/extension_host.h',
         'browser/extensions/extension_host_factory.cc',
         'browser/extensions/extension_host_factory.h',
@@ skipping 488 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/chromeos/contacts',
             'proto_out_dir': 'chrome/browser/chromeos/contacts',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],  # 'chromeos=1'
   ],  # 'conditions'
 }