Revert of Makes the component installers return a Result instead of a bool.

extensions/browser/updater/update_install_shim.cc

 // Copyright 2015 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_install_shim.h"
 
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
-#include "components/update_client/update_client_errors.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace extensions {
 
-namespace {
-using InstallError = update_client::InstallError;
-using Result = update_client::CrxInstaller::Result;
-}  // namespace
-
 UpdateInstallShim::UpdateInstallShim(std::string extension_id,
                                      const base::FilePath& extension_root,
                                      const UpdateInstallShimCallback& callback)
     : extension_id_(extension_id),
       extension_root_(extension_root),
       callback_(callback) {}
 
 void UpdateInstallShim::OnUpdateError(int error) {
   VLOG(1) << "OnUpdateError (" << extension_id_ << ") " << error;
 }
 
-Result UpdateInstallShim::Install(const base::DictionaryValue& manifest,
-                                  const base::FilePath& unpack_path) {
+bool UpdateInstallShim::Install(const base::DictionaryValue& manifest,
+                                const base::FilePath& unpack_path) {
   base::ScopedTempDir temp_dir;
   if (!temp_dir.CreateUniqueTempDir())
-    return Result(InstallError::GENERIC_ERROR);
+    return false;
 
   // The UpdateClient code will delete unpack_path if it still exists after
   // this method is done, so we rename it on top of our temp dir.
   if (!base::DeleteFile(temp_dir.GetPath(), true) ||
       !base::Move(unpack_path, temp_dir.GetPath())) {
     LOG(ERROR) << "Trying to install update for " << extension_id_
                << "and failed to move " << unpack_path.value() << " to  "
                << temp_dir.GetPath().value();
-    return Result(InstallError::GENERIC_ERROR);
+    return false;
   }
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(&UpdateInstallShim::RunCallbackOnUIThread, this,
                  temp_dir.Take()));
-  return Result(InstallError::NONE);
+  return true;
 }
 
 bool UpdateInstallShim::GetInstalledFile(const std::string& file,
                                          base::FilePath* installed_file) {
   base::FilePath relative_path = base::FilePath::FromUTF8Unsafe(file);
   if (relative_path.IsAbsolute() || relative_path.ReferencesParent())
     return false;
   *installed_file = extension_root_.Append(relative_path);
   if (!extension_root_.IsParent(*installed_file) ||
       !base::PathExists(*installed_file)) {
@@ skipping 15 matching lines @@
   if (callback_.is_null()) {
     content::BrowserThread::PostBlockingPoolTask(
         FROM_HERE, base::Bind(base::IgnoreResult(&base::DeleteFile), temp_dir,
                               true /*recursive */));
     return;
   }
   callback_.Run(extension_id_, temp_dir);
 }
 
 }  // namespace extensions