[ios] Removed unused CRWWebControllerObserver methods.

ios/web/test/crw_fake_web_controller_observer.h

 // Copyright 2014 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_TEST_CRW_FAKE_WEB_CONTROLLER_OBSERVER_H_
 #define IOS_WEB_TEST_CRW_FAKE_WEB_CONTROLLER_OBSERVER_H_
 
 #import <Foundation/Foundation.h>
 
-#include "base/memory/scoped_vector.h"
 #import "ios/web/public/web_state/crw_web_controller_observer.h"
 
-namespace base {
-class DictionaryValue;
-}
-
-// Fake CRWWebControllerObserver. An OCMock is not used because it cannot handle
-// C++ types without ugly workarounds, e.g. OCMockComplexTypeHelper/onSelector,
-// that effectively employ a 'fake' pattern anyway.
-// WCO uses C++ types (e.g. GURL, DictionaryValue) extensively.
 @interface CRWFakeWebControllerObserver : NSObject<CRWWebControllerObserver>
 
-// Designated initializer. Returns a CRWWebControllerObserver that claims
-// commands with the prefix |commandPrefix|. |commandPrefix| cannot be nil.
-- (instancetype)initWithCommandPrefix:(NSString*)commandPrefix;
-
 // YES if the page has loaded.
 @property(nonatomic, readonly) BOOL pageLoaded;
 
-// The list of commands that have been received and saved.
-- (ScopedVector<base::DictionaryValue>&)commandsReceived;
-
 @end
 
 #endif // IOS_WEB_TEST_CRW_FAKE_WEB_CONTROLLER_OBSERVER_H_