chrome/browser/ui: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

chrome/browser/ui/panels/panel_host.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/ui/panels/panel_host.h"
 
 #include "base/bind.h"
+#include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/extensions/window_controller.h"
 #include "chrome/browser/favicon/favicon_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/panels/panel.h"
 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
 #include "components/favicon/content/content_favicon_driver.h"
@@ skipping 189 matching lines @@
   CloseContents(web_contents_.get());
 }
 
 void PanelHost::WebContentsDestroyed() {
   // Web contents should only be destroyed by us.
   CHECK(!web_contents_.get());
 
   // Close the panel after we return to the message loop (not immediately,
   // otherwise, it may destroy this object before the stack has a chance
   // to cleanly unwind.)
-  base::MessageLoop::current()->PostTask(
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::Bind(&PanelHost::ClosePanel, weak_factory_.GetWeakPtr()));
 }
 
 void PanelHost::ClosePanel() {
   panel_->Close();
 }
 
 bool PanelHost::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
@@ skipping 31 matching lines @@
 }
 
 void PanelHost::StopLoading() {
   content::RecordAction(UserMetricsAction("Stop"));
   web_contents_->Stop();
 }
 
 void PanelHost::Zoom(content::PageZoom zoom) {
   ui_zoom::PageZoom::Zoom(web_contents_.get(), zoom);
 }