Let Ubertoken Fetch be primed with an access token.

google_apis/gaia/ubertoken_fetcher.cc

 // Copyright 2014 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 "google_apis/gaia/ubertoken_fetcher.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/rand_util.h"
@@ skipping 25 matching lines @@
 UbertokenFetcher::~UbertokenFetcher() {
 }
 
 void UbertokenFetcher::StartFetchingToken(const std::string& account_id) {
   DCHECK(!account_id.empty());
   account_id_ = account_id;
   second_access_token_request_ = false;
   RequestAccessToken();
 }
 
+void UbertokenFetcher::StartFetchingTokenWithAccessToken(
+    const std::string& account_id, const std::string& access_token) {
+  DCHECK(!account_id.empty());
+  DCHECK(!access_token.empty());
+
+  account_id_ = account_id;
+  access_token_ = access_token;
+  ExchangeTokens();
+}
+
 void UbertokenFetcher::OnUberAuthTokenSuccess(const std::string& token) {
   consumer_->OnUbertokenSuccess(token);
 }
 
 void UbertokenFetcher::OnUberAuthTokenFailure(
     const GoogleServiceAuthError& error) {
   // Retry only transient errors.
   bool should_retry =
       error.state() == GoogleServiceAuthError::CONNECTION_FAILED ||
       error.state() == GoogleServiceAuthError::SERVICE_UNAVAILABLE;
@@ skipping 53 matching lines @@
   access_token_request_ =
       token_service_->StartRequest(account_id_, scopes, this);
 }
 
 void UbertokenFetcher::ExchangeTokens() {
   gaia_auth_fetcher_.reset(new GaiaAuthFetcher(this,
                                                source_,
                                                request_context_));
   gaia_auth_fetcher_->StartTokenFetchForUberAuthExchange(access_token_);
 }