[ios clean] ToolsMenu ScrollView and Close Button

ios/clean/chrome/browser/ui/tools/menu_overflow_controls_stackview.mm

 // Copyright 2017 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.
 
 #import "ios/clean/chrome/browser/ui/tools/menu_overflow_controls_stackview.h"
 
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_button+factory.h"
 
 @implementation MenuOverflowControlsStackView
-@synthesize toolsMenuButton = _toolsMenuButton;
 @synthesize shareButton = _shareButton;
 @synthesize reloadButton = _reloadButton;
 @synthesize stopButton = _stopButton;
 
 - (instancetype)init {
   if ((self = [super init])) {
     // PLACEHOLDER: Buttons and UI config is not final and will be improved.
     [self setUpToolbarButtons];
     [self addArrangedSubview:self.shareButton];
     [self addArrangedSubview:self.stopButton];
     [self addArrangedSubview:self.reloadButton];
-    [self addArrangedSubview:self.toolsMenuButton];
 
     self.axis = UILayoutConstraintAxisHorizontal;
     self.distribution = UIStackViewDistributionFillEqually;
   }
   return self;
 }
 
 #pragma mark - Components Setup
 
 - (void)setUpToolbarButtons {
-  // Tools menu button.
-  self.toolsMenuButton = [ToolbarButton toolsMenuToolbarButton];
-
   // Share button.
   self.shareButton = [ToolbarButton shareToolbarButton];
 
   // Reload button.
   self.reloadButton = [ToolbarButton reloadToolbarButton];
 
   // Stop button.
   self.stopButton = [ToolbarButton stopToolbarButton];
 }
 
 @end