[ios] Removed deprecated JS execution API.

ios/web/public/test/crw_test_js_injection_receiver.mm

 // 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.
 
 #import "ios/web/public/test/crw_test_js_injection_receiver.h"
 
 #import <UIKit/UIKit.h>
 #import <WebKit/WebKit.h>
 
 #include "base/ios/weak_nsobject.h"
@@ skipping 12 matching lines @@
 @implementation CRWTestWKWebViewEvaluator
 
 - (instancetype)init {
   if (self = [super init]) {
     _webView.reset([[WKWebView alloc] init]);
     _injectedScriptManagers.reset([[NSMutableSet alloc] init]);
   }
   return self;
 }
 
-- (void)evaluateJavaScript:(NSString*)script
-       stringResultHandler:(web::JavaScriptCompletion)handler {
-  web::EvaluateJavaScript(_webView, script, handler);
-}
-
 - (void)executeJavaScript:(NSString*)script
         completionHandler:(web::JavaScriptResultBlock)completionHandler {
   web::ExecuteJavaScript(_webView, script, completionHandler);
 }
 
 - (BOOL)scriptHasBeenInjectedForClass:(Class)injectionManagerClass {
   return [_injectedScriptManagers containsObject:injectionManagerClass];
 }
 
 - (void)injectScript:(NSString*)script forClass:(Class)JSInjectionManagerClass {
@@ skipping 15 matching lines @@
 
 - (id)init {
   base::scoped_nsobject<CRWTestWKWebViewEvaluator> evaluator(
       [[CRWTestWKWebViewEvaluator alloc] init]);
   if (self = [super initWithEvaluator:evaluator])
     evaluator_.swap(evaluator);
   return self;
 }
 
 @end