Remove implicit conversions from scoped_refptr to T* in cloud_print/

cloud_print/gcp20/prototype/cloud_print_url_request_context_getter.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 "cloud_print/gcp20/prototype/cloud_print_url_request_context_getter.h"
 
 #include "net/proxy/proxy_config_service_fixed.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_builder.h"
 
 CloudPrintURLRequestContextGetter::CloudPrintURLRequestContextGetter(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
-  DCHECK(task_runner);
+  DCHECK(task_runner.get());
   network_task_runner_ = task_runner;
 }
 
 CloudPrintURLRequestContextGetter::~CloudPrintURLRequestContextGetter() {
 }
 
 net::URLRequestContext*
 CloudPrintURLRequestContextGetter::GetURLRequestContext() {
   if (!context_) {
     net::URLRequestContextBuilder builder;
 #if defined(OS_LINUX) || defined(OS_ANDROID)
     builder.set_proxy_config_service(
         new net::ProxyConfigServiceFixed(net::ProxyConfig()));
 #endif  // defined(OS_LINUX) || defined(OS_ANDROID)
     context_.reset(builder.Build());
   }
   return context_.get();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 CloudPrintURLRequestContextGetter::GetNetworkTaskRunner() const {
   return network_task_runner_;
 }