Factor Chrome details out of update manifest fetching.

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 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/extensions/extension_service.h"
 
 #include <algorithm>
 #include <iterator>
 #include <set>
 
@@ skipping 19 matching lines @@
 #include "chrome/browser/extensions/extension_sync_service.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/extensions/external_install_manager.h"
 #include "chrome/browser/extensions/external_provider_impl.h"
 #include "chrome/browser/extensions/install_verifier.h"
 #include "chrome/browser/extensions/installed_loader.h"
 #include "chrome/browser/extensions/pending_extension_manager.h"
 #include "chrome/browser/extensions/permissions_updater.h"
 #include "chrome/browser/extensions/shared_module_service.h"
 #include "chrome/browser/extensions/unpacked_installer.h"
+#include "chrome/browser/extensions/updater/chrome_manifest_fetch_data_delegate.h"
 #include "chrome/browser/extensions/updater/extension_cache.h"
 #include "chrome/browser/extensions/updater/extension_downloader.h"
 #include "chrome/browser/extensions/updater/extension_updater.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/extensions/extension_icon_source.h"
 #include "chrome/browser/ui/webui/favicon_source.h"
 #include "chrome/browser/ui/webui/ntp/thumbnail_source.h"
@@ skipping 539 matching lines @@
 scoped_ptr<ExtensionDownloader> ExtensionService::CreateExtensionDownloader(
     ExtensionDownloaderDelegate* delegate) {
   scoped_ptr<ExtensionDownloader> downloader;
 #if defined(ENABLE_EXTENSIONS)
   scoped_ptr<IdentityProvider> identity_provider =
       CreateWebstoreIdentityProvider(profile_);
   downloader.reset(new ExtensionDownloader(
       delegate,
       profile_->GetRequestContext()));
   downloader->SetWebstoreIdentityProvider(identity_provider.Pass());
+  downloader->SetManifestFetchDataDelegate(
+      make_scoped_ptr<extensions::ManifestFetchDataDelegate>(
+          new ChromeManifestFetchDataDelegate()));
 #endif
   return downloader.Pass();
 }
 
 void ExtensionService::ReloadExtensionImpl(
     // "transient" because the process of reloading may cause the reference
     // to become invalid. Instead, use |extension_id|, a copy.
     const std::string& transient_extension_id,
     bool be_noisy) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 1753 matching lines @@
 }
 
 void ExtensionService::OnProfileDestructionStarted() {
   ExtensionIdSet ids_to_unload = registry_->enabled_extensions().GetIDs();
   for (ExtensionIdSet::iterator it = ids_to_unload.begin();
        it != ids_to_unload.end();
        ++it) {
     UnloadExtension(*it, UnloadedExtensionInfo::REASON_PROFILE_SHUTDOWN);
   }
 }