[ios] Remove IDC_CLOSE_TAB

ios/chrome/browser/content_suggestions/content_suggestions_coordinator.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_CHROME_BROWSER_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_COORDINATOR_H_
 #define IOS_CHROME_BROWSER_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_COORDINATOR_H_
 
 #import "ios/chrome/browser/chrome_coordinator.h"
 #import "ios/chrome/browser/ui/ntp/new_tab_page_panel_protocol.h"
 
 namespace ios {
 class ChromeBrowserState;
 }
 
+@protocol BrowserCommands;
+@protocol ChromeExecuteCommand;
 @class ContentSuggestionsHeaderController;
+@protocol OmniboxFocuser;
 @protocol UrlLoader;
 class WebStateList;
 
 // Coordinator to manage the Suggestions UI via a
 // ContentSuggestionsViewController.
 @interface ContentSuggestionsCoordinator
     : ChromeCoordinator<NewTabPagePanelProtocol>
 
 // BrowserState used to create the ContentSuggestionFactory.
 @property(nonatomic, assign) ios::ChromeBrowserState* browserState;
 // URLLoader used to open pages.
 @property(nonatomic, weak) id<UrlLoader> URLLoader;
 @property(nonatomic, assign) WebStateList* webStateList;
-@property(nonatomic, weak) id dispatcher;
+@property(nonatomic, weak)
+    id<BrowserCommands, ChromeExecuteCommand, OmniboxFocuser, UrlLoader>
+        dispatcher;
 // Whether the Suggestions UI is displayed. If this is true, start is a no-op.
 @property(nonatomic, readonly) BOOL visible;
 
 @property(nonatomic, strong, readonly)
     ContentSuggestionsHeaderController* headerController;
 
 - (UIViewController*)viewController;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_COORDINATOR_H_