Remove ShouldBlockShelfAutoHide().

ash/system/ime_menu/ime_menu_tray.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 ASH_SYSTEM_IME_MENU_IME_MENU_TRAY_H_
 #define ASH_SYSTEM_IME_MENU_IME_MENU_TRAY_H_
 
 #include "ash/ash_export.h"
 #include "ash/system/ime/ime_observer.h"
 #include "ash/system/tray/ime_info.h"
@@ skipping 30 matching lines @@
   // Hides the IME menu bubble and lowlights the button.
   void HideImeMenuBubble();
 
   // Returns true if the IME menu bubble has been shown.
   bool IsImeMenuBubbleShown();
 
   // Shows the virtual keyboard with the given keyset: emoji, handwriting or
   // voice.
   void ShowKeyboardWithKeyset(const std::string& keyset);
 
-  // Returns true if it should block the auto hide behavior of the shelf.
-  bool ShouldBlockShelfAutoHide() const;
-
   // Returns true if the menu should show emoji, handwriting and voice buttons
   // on the bottom. Otherwise, the menu will show a 'Customize...' bottom row
   // for non-MD UI, and a Settings button in the title row for MD.
   bool ShouldShowEmojiHandwritingVoiceButtons() const;
 
   // Returns whether the virtual keyboard toggle should be shown in shown in the
   // opt-in IME menu.
   bool ShouldShowKeyboardToggle() const;
 
   // TrayBackgroundView:
@@ skipping 36 matching lines @@
   void UpdateTrayLabel();
 
   // Bubble for default and detailed views.
   std::unique_ptr<TrayBubbleWrapper> bubble_;
   ImeListView* ime_list_view_;
 
   views::Label* label_;
   IMEInfo current_ime_;
   bool show_keyboard_;
   bool force_show_keyboard_;
-  bool should_block_shelf_auto_hide_;
   bool keyboard_suppressed_;
   bool show_bubble_after_keyboard_hidden_;
 
   DISALLOW_COPY_AND_ASSIGN(ImeMenuTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_IME_MENU_IME_MENU_TRAY_H_