Privatize StrongBinding lifetime management

components/web_restrictions/browser/web_restrictions_mojo_implementation.cc

Index: components/web_restrictions/browser/web_restrictions_mojo_implementation.cc
diff --git a/components/web_restrictions/browser/web_restrictions_mojo_implementation.cc b/components/web_restrictions/browser/web_restrictions_mojo_implementation.cc
index bc0b8fef2c90416b84c543d4f0e46ff92eedcb5e..fe3b6809ae30c5df138a06253861eb505783944c 100644
--- a/components/web_restrictions/browser/web_restrictions_mojo_implementation.cc
+++ b/components/web_restrictions/browser/web_restrictions_mojo_implementation.cc
@@ -8,6 +8,7 @@
 
 #include "base/bind.h"
 #include "components/web_restrictions/browser/web_restrictions_client.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace web_restrictions {
 
@@ -21,19 +22,20 @@ void ClientRequestPermissionCallback(
 
 }  // namespace
 
+WebRestrictionsMojoImplementation::WebRestrictionsMojoImplementation(
+    WebRestrictionsClient* client)
+    : web_restrictions_client_(client) {}
+
+WebRestrictionsMojoImplementation::~WebRestrictionsMojoImplementation() {}
+
 void WebRestrictionsMojoImplementation::Create(
     WebRestrictionsClient* client,
     mojo::InterfaceRequest<mojom::WebRestrictions> request) {
-  new WebRestrictionsMojoImplementation(client, std::move(request));
+  mojo::MakeStrongBinding(
+      base::MakeUnique<WebRestrictionsMojoImplementation>(client),
+      std::move(request));
 }
 
-WebRestrictionsMojoImplementation::WebRestrictionsMojoImplementation(
-    WebRestrictionsClient* client,
-    mojo::InterfaceRequest<mojom::WebRestrictions> request)
-    : binding_(this, std::move(request)), web_restrictions_client_(client) {}
-
-WebRestrictionsMojoImplementation::~WebRestrictionsMojoImplementation() {}
-
 void WebRestrictionsMojoImplementation::GetResult(
     const std::string& url,
     const GetResultCallback& callback) {