Add long press actions for Most Visited tiles

ios/chrome/browser/ui/content_suggestions/content_suggestions_commands.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 IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_COMMANDS_H_
 #define IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_COMMANDS_H_
 
 @class CollectionViewItem;
 
 // Commands protocol for the ContentSuggestionsViewController.
 @protocol ContentSuggestionsCommands
 
 // Opens the Reading List.
 - (void)openReadingList;
 // Opens the page associated with this |item|.
 - (void)openPageForItem:(nonnull CollectionViewItem*)item;
 // Opens the Most Visited associated with this |item| at the |mostVisitedItem|.
 - (void)openMostVisitedItem:(nonnull CollectionViewItem*)item
                     atIndex:(NSInteger)mostVisitedIndex;
-// Displays a context menu for opening the |articleItem|.
-- (void)displayContextMenuForArticle:(nonnull CollectionViewItem*)item
+// Displays a context menu for the |articleItem|.
+- (void)displayContextMenuForArticle:(nonnull CollectionViewItem*)articleItem
                              atPoint:(CGPoint)touchLocation
                          atIndexPath:(nonnull NSIndexPath*)indexPath;
+// Displays a context menu for the |mostVisitedItem|.
+- (void)displayContextMenuForMostVisitedItem:
+            (nonnull CollectionViewItem*)mostVisitedItem
+                                     atPoint:(CGPoint)touchLocation
+                                 atIndexPath:(nonnull NSIndexPath*)indexPath;
 // Dismisses the context menu if it is displayed.
 - (void)dismissContextMenu;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_COMMANDS_H_