Revert of Factor Chrome details out of update manifest fetching.

chrome/browser/extensions/updater/chrome_extension_downloader_factory.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 "chrome/browser/extensions/updater/chrome_extension_downloader_factory.h"
-
-#include "chrome/browser/extensions/updater/extension_downloader.h"
-#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/signin/profile_identity_provider.h"
-#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
-#include "chrome/browser/signin/signin_manager_factory.h"
-#include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
-#include "components/omaha_query_params/omaha_query_params.h"
-#include "components/signin/core/browser/signin_manager.h"
-#include "google_apis/gaia/identity_provider.h"
-
-using extensions::ExtensionDownloader;
-using extensions::ExtensionDownloaderDelegate;
-using omaha_query_params::OmahaQueryParams;
-
-scoped_ptr<ExtensionDownloader>
-ChromeExtensionDownloaderFactory::CreateForRequestContext(
-    net::URLRequestContextGetter* request_context,
-    ExtensionDownloaderDelegate* delegate) {
-  scoped_ptr<ExtensionDownloader> downloader(
-      new ExtensionDownloader(delegate, request_context));
-#if defined(GOOGLE_CHROME_BUILD)
-  std::string brand;
-  google_brand::GetBrand(&brand);
-  if (!brand.empty() && !google_brand::IsOrganic(brand))
-    downloader->set_brand_code(brand);
-#endif  // defined(GOOGLE_CHROME_BUILD)
-  downloader->set_manifest_query_params(
-      OmahaQueryParams::Get(OmahaQueryParams::CRX));
-  downloader->set_ping_enabled_domain("google.com");
-  downloader->set_enable_extra_update_metrics(
-      ChromeMetricsServiceAccessor::IsMetricsReportingEnabled());
-  return downloader.Pass();
-}
-
-scoped_ptr<ExtensionDownloader>
-ChromeExtensionDownloaderFactory::CreateForProfile(
-    Profile* profile,
-    ExtensionDownloaderDelegate* delegate) {
-  scoped_ptr<IdentityProvider> identity_provider(new ProfileIdentityProvider(
-      SigninManagerFactory::GetForProfile(profile),
-      ProfileOAuth2TokenServiceFactory::GetForProfile(profile),
-      LoginUIServiceFactory::GetForProfile(profile)));
-  scoped_ptr<ExtensionDownloader> downloader =
-      CreateForRequestContext(profile->GetRequestContext(), delegate);
-  downloader->SetWebstoreIdentityProvider(identity_provider.Pass());
-  return downloader.Pass();
-}