[ios] Removed deprecated JS execution API.

ios/web/interstitials/html_web_interstitial_impl.mm

 // Copyright 2015 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/interstitials/html_web_interstitial_impl.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 111 matching lines @@
     content_view_.reset([[CRWWebViewContentView alloc]
         initWithWebView:web_view_
              scrollView:[web_view_ scrollView]]);
   }
 }
 
 WebInterstitialDelegate* HtmlWebInterstitialImpl::GetDelegate() const {
   return delegate_.get();
 }
 
-void HtmlWebInterstitialImpl::EvaluateJavaScript(
-    NSString* script,
-    JavaScriptCompletion completionHandler) {
-  web::EvaluateJavaScript(web_view_, script, completionHandler);
-}
-
 void HtmlWebInterstitialImpl::ExecuteJavaScript(
     NSString* script,
     JavaScriptResultBlock completion_handler) {
   web::ExecuteJavaScript(web_view_, script, completion_handler);
 }
 
 }  // namespace web