Don't use the DSE geolocation setting when chrome doesn't have location.

chrome/browser/android/search_geolocation/search_geolocation_service.h

 // Copyright 2017 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.
 
 #ifndef CHROME_BROWSER_ANDROID_SEARCH_GEOLOCATION_SEARCH_GEOLOCATION_SERVICE_H_
 #define CHROME_BROWSER_ANDROID_SEARCH_GEOLOCATION_SEARCH_GEOLOCATION_SERVICE_H_
 
 #include "base/callback_forward.h"
 #include "base/memory/singleton.h"
+#include "chrome/browser/android/location_settings.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "url/origin.h"
 
 namespace content{
 class BrowserContext;
 }
 
 namespace user_prefs {
@@ skipping 119 matching lines @@
   // current DSE CCTLD.
   bool IsContentSettingUserSettable();
 
   // Whether the feature/experiment setup is enabling the consistent search
   // geolocation system.
   bool UseConsistentSearchGeolocation();
 
   void SetSearchEngineDelegateForTest(
       std::unique_ptr<SearchEngineDelegate> delegate);
 
+  void SetLocationSettingsForTest(std::unique_ptr<LocationSettings> settings);
+
   Profile* profile_;
   PrefService* pref_service_;
   HostContentSettingsMap* host_content_settings_map_;
   std::unique_ptr<SearchEngineDelegate> delegate_;
+  std::unique_ptr<LocationSettings> location_settings_;
 };
 
 #endif  // CHROME_BROWSER_ANDROID_SEARCH_GEOLOCATION_SEARCH_GEOLOCATION_SERVICE_H_