Convert Pass()→std::move() for iOS build.

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"
 #include "ios/web/interstitials/web_interstitial_facade_delegate.h"
 #include "ios/web/public/interstitials/web_interstitial_delegate.h"
 #include "ios/web/public/web_state/ui/crw_web_view_content_view.h"
 #import "ios/web/web_state/ui/crw_simple_web_view_controller.h"
 #include "ios/web/web_state/web_state_impl.h"
 #import "ios/web/web_state/web_view_internal_creation_util.h"
 #import "net/base/mac/url_conversions.h"
 #include "ui/gfx/geometry/size.h"
@@ skipping 43 matching lines @@
 namespace web {
 
 // static
 WebInterstitial* WebInterstitial::CreateHtmlInterstitial(
     WebState* web_state,
     bool new_navigation,
     const GURL& url,
     scoped_ptr<HtmlWebInterstitialDelegate> delegate) {
   WebStateImpl* web_state_impl = static_cast<WebStateImpl*>(web_state);
   return new HtmlWebInterstitialImpl(web_state_impl, new_navigation, url,
-                                     delegate.Pass());
+                                     std::move(delegate));
 }
 
 HtmlWebInterstitialImpl::HtmlWebInterstitialImpl(
     WebStateImpl* web_state,
     bool new_navigation,
     const GURL& url,
     scoped_ptr<HtmlWebInterstitialDelegate> delegate)
     : WebInterstitialImpl(web_state, new_navigation, url),
-      delegate_(delegate.Pass()) {
+      delegate_(std::move(delegate)) {
   DCHECK(delegate_);
 }
 
 HtmlWebInterstitialImpl::~HtmlWebInterstitialImpl() {
 }
 
 void HtmlWebInterstitialImpl::CommandReceivedFromWebView(NSString* command) {
   delegate_->CommandReceived(base::SysNSStringToUTF8(command));
 }
 
@@ skipping 27 matching lines @@
 }
 
 void HtmlWebInterstitialImpl::EvaluateJavaScript(
     NSString* script,
     JavaScriptCompletion completionHandler) {
   [web_view_controller_ evaluateJavaScript:script
                        stringResultHandler:completionHandler];
 }
 
 }  // namespace web