[ios] Removed deprecated JS execution API.

ios/web/interstitials/native_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.
 
 #include "ios/web/interstitials/native_web_interstitial_impl.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "ios/web/public/interstitials/web_interstitial_delegate.h"
@@ skipping 39 matching lines @@
   if (!content_view_) {
     content_view_.reset([[CRWGenericContentView alloc]
         initWithView:delegate_->GetContentView()]);
   }
 }
 
 WebInterstitialDelegate* NativeWebInterstitialImpl::GetDelegate() const {
   return delegate_.get();
 }
 
-void NativeWebInterstitialImpl::EvaluateJavaScript(
-    NSString* script,
-    JavaScriptCompletion completionHandler) {
-  NOTREACHED() << "JavaScript cannot be evaluated on native interstitials.";
-}
-
 void NativeWebInterstitialImpl::ExecuteJavaScript(
     NSString* script,
     JavaScriptResultBlock completion_handler) {
   NOTREACHED() << "JavaScript cannot be executed on native interstitials.";
 }
 
 }  // namespace web