Remove all remaining traces of MessageLoopProxy.

chrome/browser/safe_browsing/sandboxed_zip_analyzer.cc

Index: chrome/browser/safe_browsing/sandboxed_zip_analyzer.cc
diff --git a/chrome/browser/safe_browsing/sandboxed_zip_analyzer.cc b/chrome/browser/safe_browsing/sandboxed_zip_analyzer.cc
index b7ce56f3b3b577e14aa188cb9491ca926ae29117..a467ef216cb2e5a9114b8d46b2f36169201f94be 100644
--- a/chrome/browser/safe_browsing/sandboxed_zip_analyzer.cc
+++ b/chrome/browser/safe_browsing/sandboxed_zip_analyzer.cc
@@ -122,10 +122,10 @@ bool SandboxedZipAnalyzer::OnMessageReceived(const IPC::Message& message) {
 
 void SandboxedZipAnalyzer::StartProcessOnIOThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  utility_process_host_ = content::UtilityProcessHost::Create(
-      this,
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get())
-      ->AsWeakPtr();
+  utility_process_host_ =
+      content::UtilityProcessHost::Create(
+          this, BrowserThread::GetTaskRunnerForThread(BrowserThread::IO).get())
+          ->AsWeakPtr();
   utility_process_host_->SetName(l10n_util::GetStringUTF16(
       IDS_UTILITY_PROCESS_SAFE_BROWSING_ZIP_FILE_ANALYZER_NAME));
   utility_process_host_->Send(