Remove ShouldBlockShelfAutoHide().

ash/system/palette/palette_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_PALETTE_PALETTE_TRAY_H_
 #define ASH_SYSTEM_PALETTE_PALETTE_TRAY_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
@@ skipping 48 matching lines @@
   void HideBubbleWithView(const views::TrayBubbleView* bubble_view) override;
   void AnchorUpdated() override;
   void Initialize() override;
 
   // PaletteToolManager::Delegate:
   void HidePalette() override;
   void HidePaletteImmediately() override;
   void RecordPaletteOptionsUsage(PaletteTrayOptions option) override;
   void RecordPaletteModeCancellation(PaletteModeCancelType type) override;
 
-  // Returns true if the shelf should not autohide.
-  bool ShouldBlockShelfAutoHide() const;
-
   // Opens up the palette if it is not already open. Returns true if the palette
   // was opened.
   bool ShowPalette();
 
   // Returns true if the palette tray contains the given point. This is useful
   // for determining if an event should be propagated through to the palette.
   bool ContainsPointInScreen(const gfx::Point& point);
 
  private:
   // ui::InputDeviceObserver:
@@ skipping 28 matching lines @@
   std::unique_ptr<TrayBubbleWrapper> bubble_;
 
   // Manages the callback OnPaletteEnabledPrefChanged callback registered to
   // the PaletteDelegate instance.
   std::unique_ptr<PaletteDelegate::EnableListenerSubscription>
       palette_enabled_subscription_;
 
   // Weak pointer, will be parented by TrayContainer for its lifetime.
   views::ImageView* icon_;
 
-  // The shelf auto-hide state is checked during the tray constructor, so we
-  // have to use a helper variable instead of just checking if we have a tray
-  // instance.
-  bool should_block_shelf_auto_hide_ = false;
-
   // Cached palette enabled/disabled pref value.
   bool is_palette_enabled_ = true;
 
   // Used to indicate whether the palette bubble is automatically opened by a
   // stylus eject event.
   bool is_bubble_auto_opened_ = false;
 
   // Number of actions in pen palette bubble.
   int num_actions_in_bubble_ = 0;
 
   ScopedSessionObserver scoped_session_observer_;
 
   base::WeakPtrFactory<PaletteTray> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PaletteTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_PALETTE_PALETTE_TRAY_H_