UX updates for IME window.

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>
 
@@ skipping 25 matching lines @@
                       const std::string& url,
                       ui::ImeWindow::Mode mode,
                       const gfx::Rect& bounds,
                       std::string* error);
   void ShowImeWindow(int window_id);
   void HideImeWindow(int window_id);
   void CloseImeWindows();
 
  private:
   // input_method::InputMethodEngineBase:
-  void FocusIn(const ui::IMEEngineHandlerInterface::InputContext& input_context)
-      override;
   void FocusOut() override;
   void SetCompositionBounds(const std::vector<gfx::Rect>& bounds) override;
   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;
   bool SendKeyEvent(ui::KeyEvent* ui_event, const std::string& code) override;
 
   // ui::ImeWindowObserver:
@@ skipping 10 matching lines @@
   // Tracks the current cursor bounds so that the new follow cursor window can
   // be aligned with cursor once it being created.
   gfx::Rect current_cursor_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodEngine);
 };
 
 }  // namespace input_method
 
 #endif  // CHROME_BROWSER_UI_INPUT_METHOD_INPUT_METHOD_ENGINE_H_