Add tests for input.ime.* APIs.

ui/base/ime/dummy_text_input_client.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_TEXT_INPUT_CLIENT_H_
 #define UI_BASE_IME_DUMMY_TEXT_INPUT_CLIENT_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 33 matching lines @@
   void OnInputMethodChanged() override;
   bool ChangeTextDirectionAndLayoutAlignment(
       base::i18n::TextDirection direction) override;
   void ExtendSelectionAndDelete(size_t before, size_t after) override;
   void EnsureCaretInRect(const gfx::Rect& rect) override;
   bool IsEditCommandEnabled(int command_id) override;
   void SetEditCommandForNextKeyEvent(int command_id) override;
 
   int insert_char_count() const { return insert_char_count_; }
   base::char16 last_insert_char() const { return last_insert_char_; }
+  int insert_text_count() const { return insert_text_count_; }
+  base::string16 last_insert_text() const { return last_insert_text_; }
 
   TextInputType text_input_type_;
 
   DISALLOW_COPY_AND_ASSIGN(DummyTextInputClient);
 
  private:
   int insert_char_count_;
+  int insert_text_count_;
   base::char16 last_insert_char_;
+  base::string16 last_insert_text_;
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_DUMMY_TEXT_INPUT_CLIENT_H_