diff --git a/atom/browser/api/atom_api_auto_updater.cc b/atom/browser/api/atom_api_auto_updater.cc
index 40ba44e73de4..fd2125b64d10 100644
--- a/atom/browser/api/atom_api_auto_updater.cc
+++ b/atom/browser/api/atom_api_auto_updater.cc
@@ -18,15 +18,15 @@ namespace mate {
 
 template<>
 struct Converter<base::Time> {
-        static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
-                                         const base::Time& val) {
-                v8::MaybeLocal<v8::Value> date = v8::Date::New(
-                        isolate->GetCurrentContext(), val.ToJsTime());
-                if (date.IsEmpty())
-                        return v8::Null(isolate);
-                else
-                        return date.ToLocalChecked();
-        }
+  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
+                                   const base::Time& val) {
+    v8::MaybeLocal<v8::Value> date = v8::Date::New(
+      isolate->GetCurrentContext(), val.ToJsTime());
+    if (date.IsEmpty())
+      return v8::Null(isolate);
+    else
+      return date.ToLocalChecked();
+  }
 };
 
 }  // namespace mate
@@ -36,108 +36,99 @@ namespace atom {
 namespace api {
 
 AutoUpdater::AutoUpdater(v8::Isolate* isolate) {
-        auto_updater::AutoUpdater::SetDelegate(this);
-        Init(isolate);
+  auto_updater::AutoUpdater::SetDelegate(this);
+  Init(isolate);
 }
 
 AutoUpdater::~AutoUpdater() {
-        auto_updater::AutoUpdater::SetDelegate(nullptr);
+  auto_updater::AutoUpdater::SetDelegate(nullptr);
 }
 
 void AutoUpdater::OnError(const std::string& message) {
-        v8::Locker locker(isolate());
-        v8::HandleScope handle_scope(isolate());
-        auto error = v8::Exception::Error(mate::StringToV8(isolate(), message));
-        mate::EmitEvent(
-                isolate(),
-                GetWrapper(),
-                "error",
-                error->ToObject(
-                        isolate()->GetCurrentContext()).ToLocalChecked(),
-                message);
+  v8::Locker locker(isolate());
+  v8::HandleScope handle_scope(isolate());
+  auto error = v8::Exception::Error(mate::StringToV8(isolate(), message));
+  mate::EmitEvent(
+          isolate(),
+          GetWrapper(),
+          "error",
+          error->ToObject(isolate()->GetCurrentContext()).ToLocalChecked(),
+          message);
 }
 
 void AutoUpdater::OnError(const std::string& message,
                           const int code, const std::string& domain) {
-        v8::Locker locker(isolate());
-        v8::HandleScope handle_scope(isolate());
-        auto error = v8::Exception::Error(
-                mate::StringToV8(isolate(), message));
-        auto errorObject = error->ToObject(
-                isolate()->GetCurrentContext()).ToLocalChecked();
+  v8::Locker locker(isolate());
+  v8::HandleScope handle_scope(isolate());
+  auto error = v8::Exception::Error(mate::StringToV8(isolate(), message));
+  auto errorObject = error->ToObject(
+    isolate()->GetCurrentContext()).ToLocalChecked();
 
-        // add two new params for better error handling
-        errorObject->Set(mate::StringToV8(isolate(), "code"),
-                         v8::Integer::New(isolate(), code));
-        errorObject->Set(mate::StringToV8(isolate(), "domain"),
-                         mate::StringToV8(isolate(), domain));
+  // add two new params for better error handling
+  errorObject->Set(mate::StringToV8(isolate(), "code"),
+                   v8::Integer::New(isolate(), code));
+  errorObject->Set(mate::StringToV8(isolate(), "domain"),
+                   mate::StringToV8(isolate(), domain));
 
-        mate::EmitEvent(
-                isolate(),
-                GetWrapper(),
-                "error",
-                errorObject,
-                message);
+  mate::EmitEvent(isolate(), GetWrapper(), "error", errorObject, message);
 }
 
 void AutoUpdater::OnCheckingForUpdate() {
-        Emit("checking-for-update");
+  Emit("checking-for-update");
 }
 
 void AutoUpdater::OnUpdateAvailable() {
-        Emit("update-available");
+  Emit("update-available");
 }
 
 void AutoUpdater::OnUpdateNotAvailable() {
-        Emit("update-not-available");
+  Emit("update-not-available");
 }
 
 void AutoUpdater::OnUpdateDownloaded(const std::string& release_notes,
                                      const std::string& release_name,
                                      const base::Time& release_date,
                                      const std::string& url) {
-        Emit("update-downloaded", release_notes, release_name, release_date,
-             url, base::Bind(&AutoUpdater::QuitAndInstall,
-               base::Unretained(this)));
+  Emit("update-downloaded", release_notes, release_name, release_date,
+       url, base::Bind(&AutoUpdater::QuitAndInstall, base::Unretained(this)));
 }
 
 void AutoUpdater::OnWindowAllClosed() {
-        QuitAndInstall();
+  QuitAndInstall();
 }
 
 void AutoUpdater::SetFeedURL(const std::string& url, mate::Arguments* args) {
-        auto_updater::AutoUpdater::HeaderMap headers;
-        args->GetNext(&headers);
-        auto_updater::AutoUpdater::SetFeedURL(url, headers);
+  auto_updater::AutoUpdater::HeaderMap headers;
+  args->GetNext(&headers);
+  auto_updater::AutoUpdater::SetFeedURL(url, headers);
 }
 
 void AutoUpdater::QuitAndInstall() {
-        // If we don't have any window then quitAndInstall immediately.
-        if (WindowList::IsEmpty()) {
-                auto_updater::AutoUpdater::QuitAndInstall();
-                return;
-        }
+  // If we don't have any window then quitAndInstall immediately.
+  if (WindowList::IsEmpty()) {
+    auto_updater::AutoUpdater::QuitAndInstall();
+    return;
+  }
 
-        // Otherwise do the restart after all windows have been closed.
-        WindowList::AddObserver(this);
-        WindowList::CloseAllWindows();
+  // Otherwise do the restart after all windows have been closed.
+  WindowList::AddObserver(this);
+  WindowList::CloseAllWindows();
 }
 
 // static
 mate::Handle<AutoUpdater> AutoUpdater::Create(v8::Isolate* isolate) {
-        return mate::CreateHandle(isolate, new AutoUpdater(isolate));
+  return mate::CreateHandle(isolate, new AutoUpdater(isolate));
 }
 
 // static
 void AutoUpdater::BuildPrototype(
         v8::Isolate* isolate, v8::Local<v8::FunctionTemplate> prototype) {
-        prototype->SetClassName(mate::StringToV8(isolate, "AutoUpdater"));
-        mate::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
-        .SetMethod("checkForUpdates",
-                   &auto_updater::AutoUpdater::CheckForUpdates)
-        .SetMethod("getFeedURL", &auto_updater::AutoUpdater::GetFeedURL)
-        .SetMethod("setFeedURL", &AutoUpdater::SetFeedURL)
-        .SetMethod("quitAndInstall", &AutoUpdater::QuitAndInstall);
+  prototype->SetClassName(mate::StringToV8(isolate, "AutoUpdater"));
+  mate::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
+  .SetMethod("checkForUpdates", &auto_updater::AutoUpdater::CheckForUpdates)
+  .SetMethod("getFeedURL", &auto_updater::AutoUpdater::GetFeedURL)
+  .SetMethod("setFeedURL", &AutoUpdater::SetFeedURL)
+  .SetMethod("quitAndInstall", &AutoUpdater::QuitAndInstall);
 }
 
 }  // namespace api
@@ -151,11 +142,10 @@ using atom::api::AutoUpdater;
 
 void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
                 v8::Local<v8::Context> context, void* priv) {
-        v8::Isolate* isolate = context->GetIsolate();
-        mate::Dictionary dict(isolate, exports);
-        dict.Set("autoUpdater", AutoUpdater::Create(isolate));
-        dict.Set("AutoUpdater",
-                 AutoUpdater::GetConstructor(isolate)->GetFunction());
+  v8::Isolate* isolate = context->GetIsolate();
+  mate::Dictionary dict(isolate, exports);
+  dict.Set("autoUpdater", AutoUpdater::Create(isolate));
+  dict.Set("AutoUpdater", AutoUpdater::GetConstructor(isolate)->GetFunction());
 }
 
 }  // namespace