Add extensions code to use common updater in components/update_client/

chrome/browser/extensions/extension_system_impl.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/extension_system_impl.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
+#include "base/files/file_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/trace_event/trace_event.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/chrome_app_sorting.h"
 #include "chrome/browser/extensions/chrome_content_verifier_delegate.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/extension_error_reporter.h"
 #include "chrome/browser/extensions/extension_management.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 346 matching lines @@
 ContentVerifier* ExtensionSystemImpl::content_verifier() {
   return shared_->content_verifier();
 }
 
 scoped_ptr<ExtensionSet> ExtensionSystemImpl::GetDependentExtensions(
     const Extension* extension) {
   return extension_service()->shared_module_service()->GetDependentExtensions(
       extension);
 }
 
+void ExtensionSystemImpl::InstallUpdate(const std::string& extension_id,
+                                        const base::FilePath& temp_dir) {
+  NOTREACHED() << "Not yet implemented";
+  base::DeleteFile(temp_dir, true /* recursive */);
+}
+
 void ExtensionSystemImpl::RegisterExtensionWithRequestContexts(
     const Extension* extension,
     const base::Closure& callback) {
   base::Time install_time;
   if (extension->location() != Manifest::COMPONENT) {
     install_time = ExtensionPrefs::Get(profile_)->
         GetInstallTime(extension->id());
   }
   bool incognito_enabled = util::IsIncognitoEnabled(extension->id(), profile_);
 
@@ skipping 20 matching lines @@
 void ExtensionSystemImpl::UnregisterExtensionWithRequestContexts(
     const std::string& extension_id,
     const UnloadedExtensionInfo::Reason reason) {
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&InfoMap::RemoveExtension, info_map(), extension_id, reason));
 }
 
 }  // namespace extensions