Reduce usage of MessageLoopProxy in base/

chrome/browser/net/spdyproxy/proxy_advisor.cc

 // Copyright 2013 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/net/spdyproxy/proxy_advisor.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
@@ skipping 67 matching lines @@
                            net::URLRequestContextGetter* context_getter)
     : context_getter_(context_getter) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   // pref_service may be null in mock test subclasses.
   if (pref_service) {
     proxy_pref_member_.Init(
         data_reduction_proxy::prefs::kDataReductionProxyEnabled,
         pref_service,
         base::Bind(&ProxyAdvisor::UpdateProxyState, base::Unretained(this)));
-    proxy_pref_member_.MoveToThread(
+    proxy_pref_member_.UseAlternateTaskRunner(
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
   }
 }
 
 ProxyAdvisor::~ProxyAdvisor() {
   STLDeleteElements(&inflight_requests_);
 }
 
 void ProxyAdvisor::OnResponseStarted(net::URLRequest* request) {
   const net::URLRequestStatus& status(request->status());
@@ skipping 61 matching lines @@
   scoped_ptr<net::URLRequest> scoped_request_for_deletion(request);
   inflight_requests_.erase(request);
   // |scoped_request_for_deletion| will delete |request|
 }
 
 void ProxyAdvisor::UpdateProxyState() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   // Delete all inflight requests. Each request's destructor will call Cancel().
   STLDeleteElements(&inflight_requests_);
 }