Privatize StrongBinding lifetime management

components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h

Index: components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h
diff --git a/components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h b/components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h
index 3cfc393c98f469d8c6d1d57be14bff082d70821c..0f6b79beae82cb79f0516349c43137f3a30b011d 100644
--- a/components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h
+++ b/components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h
@@ -8,7 +8,6 @@
 #include "components/dom_distiller/content/common/distiller_page_notifier_service.mojom.h"
 #include "components/dom_distiller/content/renderer/distiller_js_render_frame_observer.h"
 #include "components/dom_distiller/content/renderer/distiller_native_javascript.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace dom_distiller {
 
@@ -23,15 +22,13 @@ class DistillerPageNotifierServiceImpl
     : public mojom::DistillerPageNotifierService {
  public:
   explicit DistillerPageNotifierServiceImpl(
-      DistillerJsRenderFrameObserver* observer,
-      mojo::InterfaceRequest<mojom::DistillerPageNotifierService> request);
+      DistillerJsRenderFrameObserver* observer);
   ~DistillerPageNotifierServiceImpl() override;
 
   // Implementation of mojo interface DistillerPageNotifierService.
   void NotifyIsDistillerPage() override;
 
  private:
-  mojo::StrongBinding<mojom::DistillerPageNotifierService> binding_;
   DistillerJsRenderFrameObserver* distiller_js_observer_;
 };