[iOS Clean] Wired up ContextMenuCommands.

ios/clean/chrome/browser/ui/context_menu/context_menu_consumer.h

 // 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.
 
 #ifndef IOS_CLEAN_CHROME_BROWSER_UI_CONTEXT_MENU_CONTEXT_MENU_CONSUMER_H_
 #define IOS_CLEAN_CHROME_BROWSER_UI_CONTEXT_MENU_CONTEXT_MENU_CONSUMER_H_
 
-#import <Foundation/Foundation.h>
+#import "ios/clean/chrome/browser/ui/context_menu/context_menu_item.h"
 
-// Object encapsulating configuration information for an item in a context menu.
-@interface ContextMenuItem : NSObject
-
-// Create a new item with |title| and |command|.
-+ (instancetype)itemWithTitle:(NSString*)title command:(NSInvocation*)command;
-
-// The title associated with the item. This is usually the text the user will
-// see.
-@property(nonatomic, readonly) NSString* title;
-
-// The selector and parameters that will be called when the item is
-// selected.
-@property(nonatomic, readonly) NSInvocation* command;
-
-@end
+@class ContextMenuContext;
 
 // A ContextMenuConsumer (typically a view controller) uses data provided by
 // this protocol to display an run a context menu.
 @protocol ContextMenuConsumer
 
+// Sets the context that should be sent with the ContextMenuCommands dispatched
+// by ContextMenuItems added to this consumer.
+- (void)setContextMenuContext:(ContextMenuContext*)context;
+
 // Informs the consumer that the overall title of the context menu will be
 // |title|. This method should be called only once in the lifetime of the
 // consumer.
 - (void)setContextMenuTitle:(NSString*)title;
 
 // Informs the consumer that the context menu should display the items defined
-// in |items|. This method should be called only once in the lifetime of the
-// consumer.
-- (void)setContextMenuItems:(NSArray<ContextMenuItem*>*)items;
+// in |items|.  |cancelItem| will be added as the last option in the menu. This
+// method should be called only once in the lifetime of the consumer.
+- (void)setContextMenuItems:(NSArray<ContextMenuItem*>*)items
+                 cancelItem:(ContextMenuItem*)cancelItem;
 
 @end
 
 #endif  // IOS_CLEAN_CHROME_BROWSER_UI_CONTEXT_MENU_CONTEXT_MENU_CONSUMER_H_