Update CrOS to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos.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/chromeos/policy/user_cloud_policy_manager_chromeos.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
@@ skipping 178 matching lines @@
 void UserCloudPolicyManagerChromeOS::OnComponentCloudPolicyUpdated() {
   CheckAndPublishPolicy();
   StartRefreshScheduler();
 }
 
 void UserCloudPolicyManagerChromeOS::FetchPolicyOAuthTokenUsingSigninProfile() {
   scoped_refptr<net::URLRequestContextGetter> signin_context;
   Profile* signin_profile = chromeos::ProfileHelper::GetSigninProfile();
   if (signin_profile)
     signin_context = signin_profile->GetRequestContext();
-  if (!signin_context) {
+  if (!signin_context.get()) {
     LOG(ERROR) << "No signin Profile for policy oauth token fetch!";
     OnOAuth2PolicyTokenFetched(std::string());
     return;
   }
 
   token_fetcher_.reset(new PolicyOAuth2TokenFetcher(
-      signin_context,
+      signin_context.get(),
       g_browser_process->system_request_context(),
       base::Bind(&UserCloudPolicyManagerChromeOS::OnOAuth2PolicyTokenFetched,
                  base::Unretained(this))));
   token_fetcher_->Start();
 }
 
 void UserCloudPolicyManagerChromeOS::FetchPolicyOAuthTokenUsingRefreshToken() {
   token_fetcher_.reset(new PolicyOAuth2TokenFetcher(
       g_browser_process->system_request_context(),
       oauth2_login_tokens_.refresh_token,
@@ skipping 52 matching lines @@
     // start the scheduler. The |component_policy_service_| will call back into
     // OnComponentCloudPolicyUpdated() once it's ready.
     return;
   }
 
   core()->StartRefreshScheduler();
   core()->TrackRefreshDelayPref(local_state_, prefs::kUserPolicyRefreshRate);
 }
 
 }  // namespace policy