Revert of image_decoder: Delay shutdown on idle

services/image_decoder/image_decoder_service.cc

Index: services/image_decoder/image_decoder_service.cc
diff --git a/services/image_decoder/image_decoder_service.cc b/services/image_decoder/image_decoder_service.cc
index b8610fe5d583eb24ffc945c85d7096ac8ae8144d..5295e25299989e39804b2b4676759903a7c9ff57 100644
--- a/services/image_decoder/image_decoder_service.cc
+++ b/services/image_decoder/image_decoder_service.cc
@@ -5,8 +5,6 @@
 #include "services/image_decoder/image_decoder_service.h"
 
 #include "base/macros.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "base/time/time.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/image_decoder/image_decoder_impl.h"
 #include "services/image_decoder/public/interfaces/image_decoder.mojom.h"
@@ -43,8 +41,8 @@
 
 void ImageDecoderService::OnStart() {
   ref_factory_.reset(new service_manager::ServiceContextRefFactory(
-      base::Bind(&ImageDecoderService::MaybeRequestQuitDelayed,
-                 base::Unretained(this))));
+      base::Bind(&service_manager::ServiceContext::RequestQuit,
+                 base::Unretained(context()))));
 }
 
 bool ImageDecoderService::OnConnect(
@@ -65,18 +63,4 @@
   return true;
 }
 
-void ImageDecoderService::MaybeRequestQuitDelayed() {
-  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&ImageDecoderService::MaybeRequestQuit,
-                 base::Unretained(this)),
-      base::TimeDelta::FromSeconds(5));
-}
-
-void ImageDecoderService::MaybeRequestQuit() {
-  DCHECK(ref_factory_);
-  if (ref_factory_->HasNoRefs())
-    context()->RequestQuit();
-}
-
 }  // namespace image_decoder