Removed CRWWebController dependency from NativeAppNavigationController.

ios/chrome/browser/native_app_launcher/native_app_navigation_controller.h

 // Copyright 2012 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_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_CONTROLLER_H_
 #define IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_CONTROLLER_H_
 
 #import <Foundation/Foundation.h>
 
-#import "ios/chrome/browser/native_app_launcher/native_app_navigation_controller_protocol.h"
-#import "ios/web/public/web_state/crw_web_controller_observer.h"
-
 @class Tab;
 
 namespace net {
 class URLRequestContextGetter;
 }  // namespace net
 
 namespace web {
 class WebState;
 }  // namespace web
 
 // NativeAppNavigationController brings up a GAL Infobar if the webpage directs
 // it to do so and there are no other circumstances that would suppress its
 // display.
-@interface NativeAppNavigationController
-    : NSObject<CRWWebControllerObserver, NativeAppNavigationControllerProtocol>
+@interface NativeAppNavigationController : NSObject
 
 // Designated initializer. The use of |tab| will be phased out in the future
 // when all the information needed can be fulfilled by |webState|. Use this
 // instead of -init.
 - (instancetype)initWithWebState:(web::WebState*)webState
             requestContextGetter:(net::URLRequestContextGetter*)context
                              tab:(Tab*)tab NS_DESIGNATED_INITIALIZER;
 
 - (instancetype)init NS_UNAVAILABLE;
 
 // Copies the list of applications possibly being installed and register to be
 // notified of their installation.
 - (void)copyStateFrom:(NativeAppNavigationController*)controller;
 @end
 
 #endif  // IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_CONTROLLER_H_