[Mac][Material Design] Fix regression allowing chevron button dragging.

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 475 matching lines @@
     BookmarkButtonCell* offTheSideCell = [offTheSideButton_ cell];
     [offTheSideCell setTag:kMaterialStandardButtonTypeWithLimitedClickFeedback];
     [offTheSideCell setImagePosition:NSImageOnly];
 
     // The cell is configured in the nib to draw a white highlight when clicked.
     [offTheSideCell setHighlightsBy:NSNoCellMask];
   } else {
     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
     [offTheSideButton_ setImage:
           rb.GetNativeImageNamed(IDR_BOOKMARK_BAR_CHEVRONS).ToNSImage()];
-    [offTheSideButton_.draggableButton setDraggable:NO];
-    [offTheSideButton_.draggableButton setActsOnMouseDown:YES];
   }
+  [offTheSideButton_.draggableButton setDraggable:NO];
+  [offTheSideButton_.draggableButton setActsOnMouseDown:YES];
 
   // We are enabled by default.
   barIsEnabled_ = YES;
 
   // Remember the original sizes of the 'no items' and 'import bookmarks'
   // fields to aid in resizing when the window frame changes.
   originalNoItemsRect_ = [[buttonView_ noItemTextfield] frame];
   originalImportBookmarksRect_ = [[buttonView_ importBookmarksButton] frame];
   if (isModeMaterial) {
     // Bookmark buttons start farther from the bookmark bar's left edge so
@@ skipping 2581 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