Add SpellCheckTestBase::GetSpellChecker()

third_party/WebKit/Source/core/editing/spellcheck/SpellCheckTestBase.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 SpellCheckTestBase_h
 #define SpellCheckTestBase_h
 
 #include "core/editing/EditingTestBase.h"
 #include "core/loader/EmptyClients.h"
 #include "core/testing/DummyPageHolder.h"
 
 namespace blink {
 
+class SpellChecker;
+
 class SpellCheckTestBase : public EditingTestBase {
  protected:
   void SetUp() override;
 
+  SpellChecker& GetSpellChecker() const;
+
  private:
   class DummySpellCheckerClient : public EmptySpellCheckerClient {
    public:
     virtual ~DummySpellCheckerClient() {}
 
     bool IsSpellCheckingEnabled() override { return true; }
   };
 
   std::unique_ptr<DummySpellCheckerClient> spell_checker_client_;
 };
 
 }  // namespace blink
 
 #endif  // SpellCheckTestBase_h