Make limitations for input.ime.sendKeyEvents API.

ui/base/ime/dummy_input_method.h

 // Copyright 2013 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 UI_BASE_IME_DUMMY_INPUT_METHOD_H_
 #define UI_BASE_IME_DUMMY_INPUT_METHOD_H_
 
 #include "base/macros.h"
 #include "ui/base/ime/input_method.h"
 
@@ skipping 24 matching lines @@
   TextInputType GetTextInputType() const override;
   TextInputMode GetTextInputMode() const override;
   int GetTextInputFlags() const override;
   bool CanComposeInline() const override;
   bool IsCandidatePopupOpen() const override;
   void ShowImeIfNeeded() override;
 
   void AddObserver(InputMethodObserver* observer) override;
   void RemoveObserver(InputMethodObserver* observer) override;
 
+  const std::vector<std::unique_ptr<KeyEvent>>& GetKeyEventsForTesting()
+      override;
+
  private:
+  std::vector<std::unique_ptr<KeyEvent>> key_events_for_testing_;
   DISALLOW_COPY_AND_ASSIGN(DummyInputMethod);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_DUMMY_INPUT_METHOD_H_