Clean up a few more unused globals.

chrome/browser/component_updater/component_updater_configurator.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/component_updater/component_updater_configurator.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 17 matching lines @@
 const int kDelayOneMinute = 60;
 const int kDelayOneHour = kDelayOneMinute * 60;
 
 // Debug values you can pass to --component-updater=value1,value2.
 // Speed up component checking.
 const char kSwitchFastUpdate[] = "fast-update";
 // Force out-of-process-xml parsing.
 const char kSwitchOutOfProcess[] = "out-of-process";
 // Add "testrequest=1" parameter to the update check query.
 const char kSwitchRequestParam[] = "test-request";
-// Disables differential updates.
-const char kSwitchDisableDeltaUpdates[] = "disable-delta-updates";
 // Disables pings. Pings are the requests sent to the update server that report
 // the success or the failure of component install or update attempts.
 extern const char kSwitchDisablePings[] = "disable-pings";
 
 // Sets the URL for updates.
 const char kSwitchUrlSource[] = "url-source";
 
 // The default url from which an update manifest can be fetched. Can be
 // overridden with --component-updater=url-source=someurl.
 const char kDefaultUrlSource[] =
     "http://clients2.google.com/service/update2/crx";
 
 // The url to send the pings to.
 const char kPingUrl[] = "http://tools.google.com/service/update2";
 
+#if defined(OS_WIN)
+// Disables differential updates.
+const char kSwitchDisableDeltaUpdates[] = "disable-delta-updates";
+#endif  // defined(OS_WIN)
+
 // Returns true if and only if |test| is contained in |vec|.
 bool HasSwitchValue(const std::vector<std::string>& vec, const char* test) {
   if (vec.empty())
     return 0;
   return (std::find(vec.begin(), vec.end(), test) != vec.end());
 }
 
 // If there is an element of |vec| of the form |test|=.*, returns the right-
 // hand side of that assignment. Otherwise, returns an empty string.
 // The right-hand side may contain additional '=' characters, allowing for
@@ skipping 144 matching lines @@
 }
 
 bool ChromeConfigurator::DeltasEnabled() const {
   return deltas_enabled_;
 }
 
 ComponentUpdateService::Configurator* MakeChromeComponentUpdaterConfigurator(
     const CommandLine* cmdline, net::URLRequestContextGetter* context_getter) {
   return new ChromeConfigurator(cmdline, context_getter);
 }