Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/ui/views/certificate_viewer_win.cc

 // Copyright (c) 2011 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/certificate_viewer.h"
 
 #include <windows.h>
 #include <cryptuiapi.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/task_runner.h"
 #include "base/threading/thread.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "net/cert/x509_certificate.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/shell_dialogs/base_shell_dialog_win.h"
 
 namespace {
 
 // Shows a Windows certificate viewer dialog on a background thread to avoid
 // nested message loops.
 class CertificateViewerDialog : public ui::BaseShellDialogImpl {
  public:
   CertificateViewerDialog() {}
 
   // Shows the dialog and calls |callback| when the dialog closes. The caller
   // must ensure the CertificateViewerDialog remains valid until then.
   void Show(HWND parent,
             net::X509Certificate* cert,
             const base::Closure& callback) {
     if (IsRunningDialogForOwner(parent)) {
-      base::MessageLoop::current()->PostTask(FROM_HERE, callback);
+      base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
       return;
     }
 
     RunState run_state = BeginRun(parent);
     run_state.dialog_thread->task_runner()->PostTaskAndReply(
         FROM_HERE,
         base::Bind(&CertificateViewerDialog::ShowOnDialogThread,
                    base::Unretained(this), run_state, make_scoped_refptr(cert)),
         base::Bind(&CertificateViewerDialog::OnDialogClosed,
                    base::Unretained(this), run_state, callback));
@@ skipping 36 matching lines @@
 }  // namespace
 
 void ShowCertificateViewer(content::WebContents* web_contents,
                            gfx::NativeWindow parent,
                            net::X509Certificate* cert) {
   CertificateViewerDialog* dialog = new CertificateViewerDialog;
   dialog->Show(
       parent->GetHost()->GetAcceleratedWidget(), cert,
       base::Bind(&base::DeletePointer<CertificateViewerDialog>, dialog));
 }