Rename omaha_client and similar tokens to update_client in all contexts.

components/omaha_client.gypi

Index: components/omaha_client.gypi
diff --git a/components/omaha_client.gypi b/components/omaha_client.gypi
deleted file mode 100644
index b5b9a7cb8620fd810c5e938b5a8e9a787e60c005..0000000000000000000000000000000000000000
--- a/components/omaha_client.gypi
+++ /dev/null
@@ -1,24 +0,0 @@
-# Copyright 2014 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': 'omaha_client',
-      'type': 'static_library',
-      'include_dirs': [
-        '..',
-      ],
-      'dependencies': [
-        '../base/base.gyp:base',
-      ],
-      'sources': [
-        'omaha_client/omaha_query_params.cc',
-        'omaha_client/omaha_query_params.h',
-        'omaha_client/omaha_query_params_delegate.cc',
-        'omaha_client/omaha_query_params_delegate.h',
-      ],
-    },
-  ],
-}