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

mash/browser/browser.h

Index: mash/browser/browser.h
diff --git a/mash/browser/browser.h b/mash/browser/browser.h
index f9fc353531d2d3eb1490f20a6db72cc795324f76..2428b47af72fe693481224575711d75ff6ff76e7 100644
--- a/mash/browser/browser.h
+++ b/mash/browser/browser.h
@@ -18,10 +18,6 @@ namespace navigation {
 class View;
 }
 
-namespace service_manager {
-class ServiceContext;
-}
-
 namespace views {
 class AuraInit;
 class Widget;
@@ -48,7 +44,7 @@ class Browser : public service_manager::Service,
 
  private:
   // 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;
 
@@ -59,8 +55,6 @@ class Browser : public service_manager::Service,
   void Create(const service_manager::Identity& remote_identity,
               mojom::LaunchableRequest request) override;
 
-  service_manager::ServiceContext* context_ = nullptr;
-
   mojo::BindingSet<mojom::Launchable> bindings_;
   std::vector<views::Widget*> windows_;