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

extensions/browser/updater/update_service.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 "extensions/browser/updater/update_service.h"
 
-#include <set>
+#include "base/bind.h"
+#include "base/files/file_util.h"
+#include "components/update_client/update_client.h"
+#include "content/public/browser/browser_context.h"
+#include "extensions/browser/extension_system.h"
+#include "extensions/browser/extensions_browser_client.h"
+#include "extensions/browser/updater/update_data_provider.h"
+#include "extensions/browser/updater/update_service_factory.h"
 
-#include "base/message_loop/message_loop.h"
-#include "components/update_client/update_query_params.h"
-#include "content/public/browser/browser_context.h"
-#include "extensions/browser/updater/extension_downloader.h"
-#include "extensions/browser/updater/update_service_factory.h"
-#include "extensions/common/extension_urls.h"
+namespace {
 
-using update_client::UpdateQueryParams;
+void UpdateCheckCompleteCallback(int error) {}
+
+void InstallUpdateCallback(content::BrowserContext* context,
+                           const std::string& extension_id,
+                           const base::FilePath& temp_dir) {
+  extensions::ExtensionSystem::Get(context)
+      ->InstallUpdate(extension_id, temp_dir);
+}
+
+}  // namespace
 
 namespace extensions {
 
 // static
 UpdateService* UpdateService::Get(content::BrowserContext* context) {
   return UpdateServiceFactory::GetForBrowserContext(context);
 }
 
-void UpdateService::DownloadAndInstall(
-    const std::string& id,
-    const base::Callback<void(bool)>& callback) {
-  DCHECK(download_callback_.is_null());
-  download_callback_ = callback;
-  downloader_->AddPendingExtension(id, extension_urls::GetWebstoreUpdateUrl(),
-                                   0);
-  downloader_->StartAllPending(nullptr);
+void UpdateService::Shutdown() {
+  if (update_data_provider_) {
+    update_data_provider_->Shutdown();
+    update_data_provider_ = nullptr;
+  }
+  update_client_ = nullptr;
+  context_ = nullptr;
 }
 
-UpdateService::UpdateService(content::BrowserContext* context)
-    : browser_context_(context),
-      downloader_(new ExtensionDownloader(this, context->GetRequestContext())) {
-  downloader_->set_manifest_query_params(
-      UpdateQueryParams::Get(UpdateQueryParams::CRX));
+void UpdateService::StartUpdateCheck(std::vector<std::string> extension_ids) {
+  if (!update_client_)
+    return;
+  update_client_->Update(extension_ids, base::Bind(&UpdateDataProvider::GetData,
+                                                   update_data_provider_),
+                         base::Bind(&UpdateCheckCompleteCallback));
 }
 
-UpdateService::~UpdateService() {
+UpdateService::UpdateService(
+    content::BrowserContext* context,
+    scoped_refptr<update_client::UpdateClient> update_client)
+    : context_(context), update_client_(update_client) {
+  CHECK(update_client_);
+  update_data_provider_ =
+      new UpdateDataProvider(context_, base::Bind(&InstallUpdateCallback));
 }
 
-void UpdateService::OnExtensionDownloadFailed(
-    const std::string& id,
-    Error error,
-    const PingResult& ping,
-    const std::set<int>& request_ids) {
-  auto callback = download_callback_;
-  download_callback_.Reset();
-  callback.Run(false);
-}
-
-void UpdateService::OnExtensionDownloadFinished(
-    const CRXFileInfo& file,
-    bool file_ownership_passed,
-    const GURL& download_url,
-    const std::string& version,
-    const PingResult& ping,
-    const std::set<int>& request_id,
-    const InstallCallback& install_callback) {
-  // TODO(rockot): Actually unpack and install the CRX.
-  auto callback = download_callback_;
-  download_callback_.Reset();
-  callback.Run(true);
-  if (!install_callback.is_null())
-    install_callback.Run(true);
-}
-
-bool UpdateService::IsExtensionPending(const std::string& id) {
-  // TODO(rockot): Implement this. For now all IDs are "pending".
-  return true;
-}
-
-bool UpdateService::GetExtensionExistingVersion(const std::string& id,
-                                                std::string* version) {
-  // TODO(rockot): Implement this.
-  return false;
-}
+UpdateService::~UpdateService() {}
 
 }  // namespace extensions