Stop depending on TemplateURLService from DefaultSearchManager

chrome/browser/search_engines/default_search_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_SEARCH_ENGINES_DEFAULT_SEARCH_MANAGER_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_DEFAULT_SEARCH_MANAGER_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 62 matching lines @@
 
   ~DefaultSearchManager();
 
   // Register prefs needed for tracking the default search provider.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   // Save default search provider pref values into the map provided.
   static void AddPrefValueToMap(base::DictionaryValue* value,
                                 PrefValueMap* pref_value_map);
 
+  // Testing code can call this with |disabled| set to true to cause
+  // GetDefaultSearchEngine() to return NULL instead of
+  // |fallback_default_search_| in cases where the DSE source is FROM_FALLBACK.
+  static void SetFallbackSearchEnginesDisabledForTesting(bool disabled);
+
   // Gets a pointer to the current Default Search Engine. If NULL, indicates
   // that Default Search is explicitly disabled. |source|, if not NULL, will be
   // filled in with the source of the result.
   TemplateURLData* GetDefaultSearchEngine(Source* source) const;
 
   // Gets the source of the current Default Search Engine value.
   Source GetDefaultSearchEngineSource() const;
 
   // Write default search provider data to |pref_service_|.
   void SetUserSelectedDefaultSearchEngine(const TemplateURLData& data);
@@ skipping 57 matching lines @@
   // default search engines.
   scoped_ptr<TemplateURLData> prefs_default_search_;
 
   // True if the default search is currently enforced by policy.
   bool default_search_controlled_by_policy_;
 
   DISALLOW_COPY_AND_ASSIGN(DefaultSearchManager);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_DEFAULT_SEARCH_MANAGER_H_