[Extensions UI] Remove all traces of the chevron

chrome/browser/ui/views/toolbar/browser_actions_container.h

 // Copyright 2013 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_VIEWS_TOOLBAR_BROWSER_ACTIONS_CONTAINER_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_BROWSER_ACTIONS_CONTAINER_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 194 matching lines @@
   void OnToolbarActionViewDragDone() override;
   views::MenuButton* GetOverflowReferenceView() override;
 
   // ToolbarActionsBarDelegate:
   void AddViewForAction(ToolbarActionViewController* action,
                         size_t index) override;
   void RemoveViewForAction(ToolbarActionViewController* action) override;
   void RemoveAllViews() override;
   void Redraw(bool order_changed) override;
   void ResizeAndAnimate(gfx::Tween::Type tween_type,
-                        int target_width,
-                        bool suppress_chevron) override;
-  void SetChevronVisibility(bool chevron_visible) override;
+                        int target_width) override;
   int GetWidth(GetWidthTime get_width_time) const override;
   bool IsAnimating() const override;
   void StopAnimating() override;
-  int GetChevronWidth() const override;
   void ShowToolbarActionBubble(
       std::unique_ptr<ToolbarActionsBarBubbleDelegate> controller) override;
 
   // views::WidgetObserver:
   void OnWidgetClosing(views::Widget* widget) override;
   void OnWidgetDestroying(views::Widget* widget) override;
 
   views::BubbleDialogDelegateView* active_bubble() { return active_bubble_; }
 
  protected:
@@ skipping 59 matching lines @@
   // is none.
   std::unique_ptr<DropPosition> drop_position_;
 
   // The extension bubble that is actively showing, if any.
   views::BubbleDialogDelegateView* active_bubble_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserActionsContainer);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_BROWSER_ACTIONS_CONTAINER_H_