Removing obsolete code.

ios/chrome/browser/ui/fullscreen_controller.h

 // Copyright 2013 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_FULLSCREEN_CONTROLLER_H_
 #define IOS_CHROME_BROWSER_UI_FULLSCREEN_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 #import "ios/web/public/web_state/crw_web_controller_observer.h"
@@ skipping 109 matching lines @@
 - (void)moveContentBelowHeader;
 @end
 
 @interface FullScreenController (UsedForTesting)
 // Enables/Disables the FullScreenController in tests. The unit tests do not set
 // the delegate which is crucial for methods to work on the controller.
 // This a temporary solution.
 // TODO(shreyasv): Find a better solution/remove this when FullScreenController
 // moves to Tab.
 + (void)setEnabledForTests:(BOOL)enabled;
-// Sets the hide omnibox delay. If set to 0.0, the omnibox is hidden
-// synchronously.
-+ (void)setHideOmniboxDelaySeconds:(double)hideOmniboxDelaySeconds;
-// Resets the hide omnibox delay to its default value.
-+ (void)resetHideOmniboxDelaySeconds;
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_FULLSCREEN_CONTROLLER_H_