Privatize StrongBinding lifetime management

chrome/utility/shell_handler_impl_win.cc

Index: chrome/utility/shell_handler_impl_win.cc
diff --git a/chrome/utility/shell_handler_impl_win.cc b/chrome/utility/shell_handler_impl_win.cc
index 6bcacda2359a3382f734cebdb0367763f29f7c10..ffd8f420e8ccc445c19f10231fd14abd1d067cd9 100644
--- a/chrome/utility/shell_handler_impl_win.cc
+++ b/chrome/utility/shell_handler_impl_win.cc
@@ -17,6 +17,7 @@
 #include "base/win/shortcut.h"
 #include "chrome/installer/util/install_util.h"
 #include "content/public/utility/utility_thread.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace {
 
@@ -206,16 +207,16 @@ bool IsPinnedToTaskbarHelper::GetResult() {
 
 }  // namespace
 
+ShellHandlerImpl::ShellHandlerImpl() = default;
+
+ShellHandlerImpl::~ShellHandlerImpl() = default;
+
 // static
 void ShellHandlerImpl::Create(mojom::ShellHandlerRequest request) {
-  new ShellHandlerImpl(std::move(request));
+  mojo::MakeStrongBinding(base::MakeUnique<ShellHandlerImpl>(),
+                          std::move(request));
 }
 
-ShellHandlerImpl::ShellHandlerImpl(mojom::ShellHandlerRequest request)
-    : binding_(this, std::move(request)) {}
-
-ShellHandlerImpl::~ShellHandlerImpl() = default;
-
 void ShellHandlerImpl::IsPinnedToTaskbar(
     const IsPinnedToTaskbarCallback& callback) {
   IsPinnedToTaskbarHelper helper;