RefCounted types should not have public destructors, chrome/browser/ part 6

chrome/browser/autocomplete_history_manager_unittest.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 <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete_history_manager.h"
@@ skipping 11 matching lines @@
 
 using content::BrowserThread;
 using content::WebContents;
 using testing::_;
 using webkit::forms::FormData;
 
 class MockWebDataService : public WebDataService {
  public:
   MOCK_METHOD1(AddFormFields,
                void(const std::vector<webkit::forms::FormField>&));  // NOLINT
+
+ protected:
+  virtual ~MockWebDataService() {}
 };
 
 class AutocompleteHistoryManagerTest : public ChromeRenderViewHostTestHarness {
  protected:
   AutocompleteHistoryManagerTest()
       : ui_thread_(BrowserThread::UI, MessageLoopForUI::current()) {
   }
 
   virtual void SetUp() {
     ChromeRenderViewHostTestHarness::SetUp();
@@ skipping 141 matching lines @@
       &profile_, web_data_service_);
 
   MockAutofillExternalDelegate external_delegate(
       TabContentsWrapper::GetCurrentWrapperForContents(contents()));
   EXPECT_CALL(external_delegate, OnSuggestionsReturned(_, _,  _,  _,  _));
   autocomplete_history_manager.SetExternalDelegate(&external_delegate);
 
   // Should trigger a call to OnSuggestionsReturned, verified by the mock.
   autocomplete_history_manager.SendSuggestions(NULL);
 }