Implement chrome.input.ime.setComposition/commitText API.

chrome/browser/ui/input_method/input_method_engine.h

 // Copyright 2016 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_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
 #define CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
 
 #include <string>
 #include <vector>
 
 #include "chrome/browser/ui/input_method/input_method_engine_base.h"
 
 namespace input_method {
 class InputMethodEngine : public InputMethodEngineBase {
  public:
   InputMethodEngine();
 
   ~InputMethodEngine() override;
 
   // ui::IMEEngineHandlerInterface:
   bool SendKeyEvents(int context_id,
                      const std::vector<KeyboardEvent>& events) override;
   bool IsActive() const override;
   std::string GetExtensionId() const override;
 
  private:
+  // input_method::InputMethodEngineBase:
+  void UpdateComposition(const ui::CompositionText& composition_text,
+                         uint32_t cursor_pos,
+                         bool is_visible) override;
+  void CommitTextToInputContext(int context_id,
+                                const std::string& text) override;
+
   DISALLOW_COPY_AND_ASSIGN(InputMethodEngine);
 };
 
 }  // namespace input_method
 
 #endif  // CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_