|  | // Copyright 2012 The Chromium Authors | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #include "chrome/browser/extensions/external_loader.h" | 
|  |  | 
|  | #include "base/check_op.h" | 
|  | #include "base/values.h" | 
|  | #include "content/public/browser/browser_thread.h" | 
|  | #include "extensions/browser/external_provider_interface.h" | 
|  |  | 
|  | using content::BrowserThread; | 
|  |  | 
|  | namespace extensions { | 
|  |  | 
|  | ExternalLoader::ExternalLoader() = default; | 
|  |  | 
|  | void ExternalLoader::Init(ExternalProviderInterface* owner) { | 
|  | DCHECK_CURRENTLY_ON(BrowserThread::UI); | 
|  | owner_ = owner; | 
|  | } | 
|  |  | 
|  | const base::FilePath ExternalLoader::GetBaseCrxFilePath() { | 
|  | DCHECK_CURRENTLY_ON(BrowserThread::UI); | 
|  |  | 
|  | // By default, relative paths are not supported. | 
|  | // Subclasses that wish to support them should override this method. | 
|  | return base::FilePath(); | 
|  | } | 
|  |  | 
|  | void ExternalLoader::OwnerShutdown() { | 
|  | DCHECK_CURRENTLY_ON(BrowserThread::UI); | 
|  | owner_ = nullptr; | 
|  | } | 
|  |  | 
|  | ExternalLoader::~ExternalLoader() = default; | 
|  |  | 
|  | void ExternalLoader::LoadFinished(base::Value::Dict prefs) { | 
|  | DCHECK_CURRENTLY_ON(BrowserThread::UI); | 
|  | if (owner_) | 
|  | owner_->SetPrefs(std::move(prefs)); | 
|  | } | 
|  |  | 
|  | void ExternalLoader::OnUpdated(base::Value::Dict updated_prefs) { | 
|  | DCHECK_CURRENTLY_ON(BrowserThread::UI); | 
|  | if (owner_) | 
|  | owner_->UpdatePrefs(std::move(updated_prefs)); | 
|  | } | 
|  |  | 
|  | }  // namespace extensions |