CRWWebController no longer implements CRWRequestTrackerDelegate.

ios/web/web_state/ui/crw_web_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_WEB_WEB_STATE_UI_CRW_WEB_CONTROLLER_H_
 #define IOS_WEB_WEB_STATE_UI_CRW_WEB_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 #import "ios/web/net/crw_request_tracker_delegate.h"
@@ skipping 39 matching lines @@
 }
 
 // Manages a view that can be used either for rendering web content in a web
 // view, or native content in a view provided by a NativeContentProvider.
 // CRWWebController also transparently evicts and restores the internal web
 // view based on memory pressure, and manages access to interact with the
 // web view.
 // This is an abstract class which must not be instantiated directly.
 // TODO(stuartmorgan): Move all of the navigation APIs out of this class.
 @interface CRWWebController : NSObject<CRWJSInjectionEvaluator,
-                                       CRWRequestTrackerDelegate,
                                        CRWTouchTrackingDelegate,
                                        UIGestureRecognizerDelegate>
 
 // Whether or not a UIWebView is allowed to exist in this CRWWebController.
 // Defaults to NO; this should be enabled before attempting to access the view.
 @property(nonatomic, assign) BOOL webUsageEnabled;
 
 @property(nonatomic, assign) id<CRWWebDelegate> delegate;
 @property(nonatomic, weak) id<CRWWebUserInterfaceDelegate> UIDelegate;
 @property(nonatomic, assign) id<CRWNativeContentProvider> nativeProvider;
@@ skipping 231 matching lines @@
 
 // Acts on a single message from the JS object, parsed from JSON into a
 // DictionaryValue. Returns NO if the format for the message was invalid.
 - (BOOL)respondToMessage:(base::DictionaryValue*)crwMessage
        userIsInteracting:(BOOL)userIsInteracting
                originURL:(const GURL&)originURL;
 
 @end
 
 #endif  // IOS_WEB_WEB_STATE_UI_CRW_WEB_CONTROLLER_H_