Use TaskScheduler instead of blocking pool in version_handler_chromeos.cc.

chrome/browser/ui/webui/version_handler_chromeos.cc

Index: chrome/browser/ui/webui/version_handler_chromeos.cc
diff --git a/chrome/browser/ui/webui/version_handler_chromeos.cc b/chrome/browser/ui/webui/version_handler_chromeos.cc
index 09c446a7b69c254c13c8e123d42224d27c94ddaf..cd9ab7f5e85f50a5c32a702f7cd4eab03570d2de 100644
--- a/chrome/browser/ui/webui/version_handler_chromeos.cc
+++ b/chrome/browser/ui/webui/version_handler_chromeos.cc
@@ -5,8 +5,7 @@
 #include "chrome/browser/ui/webui/version_handler_chromeos.h"
 
 #include "base/bind.h"
-#include "base/task_runner_util.h"
-#include "content/public/browser/browser_thread.h"
+#include "base/task_scheduler/post_task.h"
 #include "content/public/browser/web_ui.h"
 
 VersionHandlerChromeOS::VersionHandlerChromeOS()
@@ -19,16 +18,16 @@ VersionHandlerChromeOS::~VersionHandlerChromeOS() {
 void VersionHandlerChromeOS::HandleRequestVersionInfo(
     const base::ListValue* args) {
   // Start the asynchronous load of the versions.
-  base::PostTaskAndReplyWithResult(
-      content::BrowserThread::GetBlockingPool(),
-      FROM_HERE,
+  base::PostTaskWithTraitsAndReplyWithResult(
+      FROM_HERE, base::TaskTraits().MayBlock().WithPriority(
+                     base::TaskPriority::BACKGROUND),
       base::Bind(&chromeos::version_loader::GetVersion,
                  chromeos::version_loader::VERSION_FULL),
       base::Bind(&VersionHandlerChromeOS::OnVersion,
                  weak_factory_.GetWeakPtr()));
-  base::PostTaskAndReplyWithResult(
-      content::BrowserThread::GetBlockingPool(),
-      FROM_HERE,
+  base::PostTaskWithTraitsAndReplyWithResult(
+      FROM_HERE, base::TaskTraits().MayBlock().WithPriority(
+                     base::TaskPriority::BACKGROUND),
       base::Bind(&chromeos::version_loader::GetARCVersion),
       base::Bind(&VersionHandlerChromeOS::OnARCVersion,
                  weak_factory_.GetWeakPtr()));