Remove the OOP PDF flag

chrome/renderer/printing/chrome_print_web_view_helper_delegate.cc

 // 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 "chrome/renderer/printing/chrome_print_web_view_helper_delegate.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 37 matching lines @@
     auto plugin_element = frame->document().getElementById("plugin");
     if (!plugin_element.isNull()) {
       return plugin_element;
     }
     NOTREACHED();
   }
 #endif  // defined(ENABLE_EXTENSIONS)
   return blink::WebElement();
 }
 
-bool ChromePrintWebViewHelperDelegate::IsOutOfProcessPdfEnabled() {
-  return switches::OutOfProcessPdfEnabled();
-}
-
 bool ChromePrintWebViewHelperDelegate::IsPrintPreviewEnabled() {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   return !command_line->HasSwitch(switches::kDisablePrintPreview);
 }
 
 bool ChromePrintWebViewHelperDelegate::OverridePrint(
     blink::WebLocalFrame* frame) {
 #if defined(ENABLE_EXTENSIONS)
   if (!frame->document().isPluginDocument())
     return false;
 
   std::vector<extensions::MimeHandlerViewContainer*> mime_handlers =
       extensions::MimeHandlerViewContainer::FromRenderFrame(
           content::RenderFrame::FromWebFrame(frame));
   if (!mime_handlers.empty()) {
     // This message is handled in chrome/browser/resources/pdf/pdf.js and
     // instructs the PDF plugin to print. This is to make window.print() on a
     // PDF plugin document correctly print the PDF. See
     // https://crbug.com/448720.
     base::DictionaryValue message;
     message.SetString("type", "print");
     mime_handlers.front()->PostMessageFromValue(message);
     return true;
   }
 #endif  // defined(ENABLE_EXTENSIONS)
   return false;
 }