Service Manager: Remove ServiceContext* arg from Service::OnStart()

services/image_decoder/image_decoder_service.h

Index: services/image_decoder/image_decoder_service.h
diff --git a/services/image_decoder/image_decoder_service.h b/services/image_decoder/image_decoder_service.h
index 2f4643f7555cc154d9241f5756083820f871b534..4babc6d1b94602da11e70c575d4dda59ec044116 100644
--- a/services/image_decoder/image_decoder_service.h
+++ b/services/image_decoder/image_decoder_service.h
@@ -23,7 +23,7 @@ class ImageDecoderService : public service_manager::Service {
   static std::unique_ptr<service_manager::Service> Create();
 
   // service_manager::Service:
-  void OnStart(service_manager::ServiceContext* context) override;
+  void OnStart() override;
   bool OnConnect(const service_manager::ServiceInfo& remote_info,
                  service_manager::InterfaceRegistry* registry) override;
   bool OnStop() override;