Cleanup: Remove more unneeded ifdefs in chrome/browser/extensions.

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 98 matching lines @@
 using extensions::SharedModuleService;
 using extensions::UnloadedExtensionInfo;
 
 namespace errors = extensions::manifest_errors;
 
 namespace {
 
 // Wait this many seconds after an extensions becomes idle before updating it.
 const int kUpdateIdleDelay = 5;
 
-#if defined(ENABLE_EXTENSIONS)
 scoped_ptr<IdentityProvider> CreateWebstoreIdentityProvider(Profile* profile) {
   return make_scoped_ptr<IdentityProvider>(new ProfileIdentityProvider(
       SigninManagerFactory::GetForProfile(profile),
       ProfileOAuth2TokenServiceFactory::GetForProfile(profile),
       LoginUIServiceFactory::GetForProfile(profile)));
 }
-#endif  // defined(ENABLE_EXTENSIONS)
 
 }  // namespace
 
 // ExtensionService.
 
 void ExtensionService::CheckExternalUninstall(const std::string& id) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   // Check if the providers know about this extension.
   extensions::ProviderCollection::const_iterator i;
@@ skipping 445 matching lines @@
 
   if (out_crx_installer)
     *out_crx_installer = installer.get();
 
   return true;
 }
 
 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());
-#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 1752 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);
   }
 }