Clean up a few more unused globals.

chrome/browser/search/search.cc

 // 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.
 
 #include "chrome/browser/search/search.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
@@ skipping 38 matching lines @@
 const uint64 kEmbeddedPageVersionDisabled = 0;
 #if defined(OS_IOS) || defined(OS_ANDROID)
 const uint64 kEmbeddedPageVersionDefault = 1;
 #else
 const uint64 kEmbeddedPageVersionDefault = 2;
 #endif
 
 // The staleness timeout can be set (in seconds) via this config.
 const char kStalePageTimeoutFlagName[] = "stale";
 const int kStalePageTimeoutDefault = 3 * 3600;  // 3 hours.
-const int kStalePageTimeoutDisabled = 0;
 
 const char kHideVerbatimFlagName[] = "hide_verbatim";
 const char kUseRemoteNTPOnStartupFlagName[] = "use_remote_ntp_on_startup";
 const char kShowNtpFlagName[] = "show_ntp";
 const char kRecentTabsOnNTPFlagName[] = "show_recent_tabs";
 const char kUseCacheableNTP[] = "use_cacheable_ntp";
 const char kPrefetchSearchResultsOnSRP[] = "prefetch_results_srp";
 const char kSuppressInstantExtendedOnSRPFlagName[] = "suppress_on_srp";
 
 // Constants for the field trial name and group prefix.
@@ skipping 683 matching lines @@
 
   return TemplateURLRefToGURL(template_url->new_tab_url_ref(),
                               kDisableStartMargin, false);
 }
 
 void ResetInstantExtendedOptInStateGateForTest() {
   instant_extended_opt_in_state_gate = false;
 }
 
 }  // namespace chrome