[Mac][Material Design] Restore apps page shortcut icon in bookmarks bar.

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
 
 #include <stddef.h>
 
 #import "base/mac/bundle_locations.h"
 #import "base/mac/foundation_util.h"
@@ skipping 893 matching lines @@
 // Click on the "off the side" button (chevron), which opens like a folder
 // button but isn't exactly a parent folder.
 - (IBAction)openOffTheSideFolderFromButton:(id)sender {
   [self openBookmarkFolder:sender];
 }
 
 - (IBAction)importBookmarks:(id)sender {
   chrome::ShowImportDialog(browser_);
 }
 
+- (NSButton*)appsPageShortcutButton {
+  return appsPageShortcutButton_;
+}
+
 - (NSButton*)offTheSideButton {
   return offTheSideButton_;
 }
 
 - (NSImage*)offTheSideButtonImage:(BOOL)forDarkMode {
   const int kIconSize = 8;
   SkColor vectorIconColor = forDarkMode ? SkColorSetA(SK_ColorWHITE, 0xCC)
                                         : gfx::kChromeIconGrey;
   return NSImageFromImageSkia(
       gfx::CreateVectorIcon(gfx::VectorIconId::OVERFLOW_CHEVRON,
@@ skipping 960 matching lines @@
 #pragma mark Private Methods Exposed for Testing
 
 - (BookmarkBarView*)buttonView {
   return buttonView_;
 }
 
 - (NSMutableArray*)buttons {
   return buttons_.get();
 }
 
-- (NSButton*)appsPageShortcutButton {
-  return appsPageShortcutButton_;
-}
-
 - (BOOL)offTheSideButtonIsHidden {
   return [offTheSideButton_ isHidden];
 }
 
 - (BOOL)appsPageShortcutButtonIsHidden {
   return [appsPageShortcutButton_ isHidden];
 }
 
 - (BookmarkButton*)otherBookmarksButton {
   return otherBookmarksButton_.get();
@@ skipping 1182 matching lines @@
 - (id<BookmarkButtonControllerProtocol>)controllerForNode:
     (const BookmarkNode*)node {
   // See if it's in the bar, then if it is in the hierarchy of visible
   // folder menus.
   if (bookmarkModel_->bookmark_bar_node() == node)
     return self;
   return [folderController_ controllerForNode:node];
 }
 
 @end