Move UbertokenFetcher from //chrome to //google_apis.

chrome/browser/sync/fake_oauth2_token_service.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/sync/fake_oauth2_token_service.h"
-
-#include "base/message_loop/message_loop.h"
-#include "chrome/browser/profiles/profile.h"
-#include "content/public/browser/browser_context.h"
-
-void FakeOAuth2TokenService::FetchOAuth2Token(
-    OAuth2TokenService::RequestImpl* request,
-    const std::string& account_id,
-    net::URLRequestContextGetter* getter,
-    const std::string& client_id,
-    const std::string& client_secret,
-    const OAuth2TokenService::ScopeSet& scopes) {
-  // Request will succeed without network IO.
-  base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
-      &RequestImpl::InformConsumer,
-      request->AsWeakPtr(),
-      GoogleServiceAuthError(GoogleServiceAuthError::NONE),
-      "access_token",
-      base::Time::Max()));
-}
-
-void FakeOAuth2TokenService::UpdateCredentials(
-    const std::string& account_id,
-    const std::string& refresh_token) {
-  account_id_ = account_id;
-  refresh_token_ = refresh_token;
-  FireRefreshTokenAvailable(account_id);
-}
-
-bool FakeOAuth2TokenService::RefreshTokenIsAvailable(
-    const std::string& account_id) {
-  return account_id_ == account_id && !refresh_token_.empty();
-}
-
-BrowserContextKeyedService* FakeOAuth2TokenService::BuildTokenService(
-    content::BrowserContext* context) {
-  Profile* profile = static_cast<Profile*>(context);
-
-  FakeOAuth2TokenService* service = new FakeOAuth2TokenService();
-  service->Initialize(profile);
-  return service;
-}