Make printing work better with OOPIF. (try 2)

chrome/browser/printing/print_preview_dialog_controller_browsertest.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 "chrome/browser/printing/print_preview_dialog_controller.h"
 
 #include <memory>
 
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
@@ skipping 40 matching lines @@
       : WebContentsObserver(dialog) {
   }
   ~RequestPrintPreviewObserver() override {}
 
   void set_quit_closure(const base::Closure& quit_closure) {
     quit_closure_ = quit_closure;
   }
 
  private:
   // content::WebContentsObserver implementation.
-  bool OnMessageReceived(const IPC::Message& message) override {
+  bool OnMessageReceived(const IPC::Message& message,
+                         content::RenderFrameHost* render_frame_host) override {
     IPC_BEGIN_MESSAGE_MAP(RequestPrintPreviewObserver, message)
       IPC_MESSAGE_HANDLER(PrintHostMsg_RequestPrintPreview,
                           OnRequestPrintPreview)
       IPC_MESSAGE_UNHANDLED(break)
     IPC_END_MESSAGE_MAP()
     return false;  // Report not handled so the real handler receives it.
   }
 
   void OnRequestPrintPreview(
       const PrintHostMsg_RequestPrintPreview_Params& /* params */) {
@@ skipping 324 matching lines @@
   content::BrowserAccessibilityState::GetInstance()->EnableAccessibility();
   ui_test_utils::NavigateToURL(browser(), GURL("data:text/html,HelloWorld"));
   PrintPreview();
   WebContents* preview_dialog = GetPrintPreviewDialog();
   WaitForAccessibilityTreeToContainNodeWithName(preview_dialog, "HelloWorld");
 }
 
 }  // namespace
 
 #endif  // defined(ENABLE_TASK_MANAGER)