Remove the 2-level input method system & InputMethodBridge.

ui/views/controls/combobox/combobox.h

 // Copyright (c) 2012 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_VIEWS_CONTROLS_COMBOBOX_COMBOBOX_H_
 #define UI_VIEWS_CONTROLS_COMBOBOX_COMBOBOX_H_
 
 #include <string>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 84 matching lines @@
   // Overridden from View:
   gfx::Size GetPreferredSize() const override;
   const char* GetClassName() const override;
   bool SkipDefaultKeyEventProcessing(const ui::KeyEvent& e) override;
   bool OnKeyPressed(const ui::KeyEvent& e) override;
   bool OnKeyReleased(const ui::KeyEvent& e) override;
   void OnPaint(gfx::Canvas* canvas) override;
   void OnFocus() override;
   void OnBlur() override;
   void GetAccessibleState(ui::AXViewState* state) override;
-  ui::TextInputClient* GetTextInputClient() override;
   void Layout() override;
 
   // Overridden from MenuDelegate:
   bool IsItemChecked(int id) const override;
   bool IsCommandEnabled(int id) const override;
   void ExecuteCommand(int id) override;
   bool GetAccelerator(int id, ui::Accelerator* accelerator) const override;
 
   // Overridden from PrefixDelegate:
   int GetRowCount() override;
@@ skipping 41 matching lines @@
 
   int GetDisclosureArrowLeftPadding() const;
   int GetDisclosureArrowRightPadding() const;
 
   // Returns the size of the disclosure arrow.
   gfx::Size ArrowSize() const;
 
   // Handles the clicking event.
   void HandleClickEvent();
 
+  PrefixSelector* GetPrefixSelector();
+
   // Our model. Not owned.
   ui::ComboboxModel* model_;
 
   // The visual style of this combobox.
   Style style_;
 
   // Our listener. Not owned. Notified when the selected index change.
   ComboboxListener* listener_;
 
   // The current selected index; -1 and means no selection.
@@ skipping 46 matching lines @@
 
   // Used for making calbacks.
   base::WeakPtrFactory<Combobox> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Combobox);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_COMBOBOX_COMBOBOX_H_