Provide an overload to WebView::create that does not require a WebViewClient.

components/printing/renderer/print_web_view_helper.cc

 // Copyright (c) 2012 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 "components/printing/renderer/print_web_view_helper.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 564 matching lines @@
     const PrintMsg_Print_Params& params) {
   cc::PaintCanvasAutoRestore auto_restore(canvas, true);
   canvas->scale(1 / webkit_scale_factor, 1 / webkit_scale_factor);
 
   blink::WebSize page_size(page_layout.margin_left + page_layout.margin_right +
                                page_layout.content_width,
                            page_layout.margin_top + page_layout.margin_bottom +
                                page_layout.content_height);
 
   blink::WebView* web_view =
-      blink::WebView::create(nullptr, blink::WebPageVisibilityStateVisible);
+      blink::WebView::create(blink::WebPageVisibilityStateVisible);
   web_view->settings()->setJavaScriptEnabled(true);
 
   blink::WebFrameClient frame_client;
   blink::WebLocalFrame* frame = blink::WebLocalFrame::create(
       blink::WebTreeScopeType::Document, &frame_client, nullptr, nullptr);
   web_view->setMainFrame(frame);
   blink::WebFrameWidget::create(nullptr, web_view, frame);
 
   base::Value html(ResourceBundle::GetSharedInstance().GetLocalizedString(
       IDR_PRINT_PREVIEW_PAGE));
@@ skipping 1772 matching lines @@
       blink::WebConsoleMessage::LevelWarning, message));
   return false;
 }
 
 void PrintWebViewHelper::ScriptingThrottler::Reset() {
   // Reset counter on successful print.
   count_ = 0;
 }
 
 }  // namespace printing