Convert UserPolicySigninService to use OAuth2TokenService

chrome/browser/chromeos/settings/device_oauth2_token_service.cc

Index: chrome/browser/chromeos/settings/device_oauth2_token_service.cc
diff --git a/chrome/browser/chromeos/settings/device_oauth2_token_service.cc b/chrome/browser/chromeos/settings/device_oauth2_token_service.cc
index adcf750b5bfe76898d41bfc69d3591dd08fb4d50..dbcf249e6bfabd215da76c1820a98f90a623d62f 100644
--- a/chrome/browser/chromeos/settings/device_oauth2_token_service.cc
+++ b/chrome/browser/chromeos/settings/device_oauth2_token_service.cc
@@ -220,10 +220,6 @@ DeviceOAuth2TokenService::DeviceOAuth2TokenService(
 DeviceOAuth2TokenService::~DeviceOAuth2TokenService() {
 }
 
-net::URLRequestContextGetter* DeviceOAuth2TokenService::GetRequestContext() {
-  return url_request_context_getter_.get();
-}
-
 scoped_ptr<OAuth2TokenService::Request> DeviceOAuth2TokenService::StartRequest(
     const OAuth2TokenService::ScopeSet& scopes,
     OAuth2TokenService::Consumer* consumer) {
@@ -283,4 +279,8 @@ std::string DeviceOAuth2TokenService::GetRobotAccountId() {
   return std::string();
 }
 
+net::URLRequestContextGetter* DeviceOAuth2TokenService::GetRequestContext() {
+  return url_request_context_getter_.get();
+}
+
 }  // namespace chromeos