Add CommandDispatcher to BrowserViewController.

ios/chrome/browser/ui/ntp/google_landing_data_source.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_UI_NTP_GOOGLE_LANDING_DATA_SOURCE_H_
 #define IOS_CHROME_BROWSER_UI_NTP_GOOGLE_LANDING_DATA_SOURCE_H_
 
 #import <Foundation/Foundation.h>
 
 #include "components/ntp_tiles/ntp_tile.h"
 #include "components/ntp_tiles/tile_visual_type.h"
-#import "ios/chrome/browser/ui/toolbar/web_toolbar_controller.h"
-#import "ios/chrome/browser/ui/url_loader.h"
 #include "url/gurl.h"
 
 class ReadingListModel;
 class LargeIconCache;
 namespace favicon {
 class LargeIconService;
 }
-@class TabModel;
-@protocol WebToolbarDelegate;
 
 // DataSource for the google landing controller.
 // TODO(crbug.com/694750): Most everything here can be moved to dispatcher.
-@protocol GoogleLandingDataSource<OmniboxFocuser, UrlLoader>
+@protocol GoogleLandingDataSource
 
 // Removes a blacklisted URL in both |_mostVisitedData|.
 - (void)removeBlacklistedURL:(const GURL&)url;
 
 // Adds URL to the blacklist in both |_mostVisitedData|.
 - (void)addBlacklistedURL:(const GURL&)url;
 
 // Logs a histogram due to a Most Visited item being opened.
 - (void)logMostVisitedClick:(const NSUInteger)visitedIndex
                    tileType:(ntp_tiles::TileVisualType)tileType;
 
 // Called when a what's new promo is viewed.
 - (void)promoViewed;
 
 // Called when a what's new promo is tapped.
 - (void)promoTapped;
 
-// TODO(crbug.com/694750): This should move to a dispatcher.
-// Called before the fake tab switcher icon is tapped to save snapshots.
-- (void)prepareToEnterTabSwitcher:(id)sender;
-
 // TODO(crbug.com/694750): The following two methods should be moved to the
 // consumer, and converted into types more suitable for a consumer.
 // Gets an a most visited NTP tile at |index|.
 - (ntp_tiles::NTPTile)mostVisitedAtIndex:(NSUInteger)index;
 
 // Gets the number of most visited entries.
 - (NSUInteger)mostVisitedSize;
 
 // TODO(crbug.com/694750): The following three properties will be removed in
 // subsequent CLs, with data provided via GoogleDataConsumer into types more
 // suitable for a consumer.
 
 // Gets the reading list model.
 - (ReadingListModel*)readingListModel;
 
 // Gets the large icon cache.
 - (LargeIconCache*)largeIconCache;
 
 // Gets the large icon service.
 - (favicon::LargeIconService*)largeIconService;
 
-
-
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_NTP_GOOGLE_LANDING_DATA_SOURCE_H_