Privatize StrongBinding lifetime management

content/shell/browser/layout_test/layout_test_bluetooth_fake_adapter_setter_impl.h

Index: content/shell/browser/layout_test/layout_test_bluetooth_fake_adapter_setter_impl.h
diff --git a/content/shell/browser/layout_test/layout_test_bluetooth_fake_adapter_setter_impl.h b/content/shell/browser/layout_test/layout_test_bluetooth_fake_adapter_setter_impl.h
index b3fcb09f634ae5a11f232ccba0892413d32b2643..bc8fc022586ab5ae631348c266ccca3096c40649 100644
--- a/content/shell/browser/layout_test/layout_test_bluetooth_fake_adapter_setter_impl.h
+++ b/content/shell/browser/layout_test/layout_test_bluetooth_fake_adapter_setter_impl.h
@@ -7,7 +7,6 @@
 
 #include "base/macros.h"
 #include "content/shell/common/layout_test/layout_test_bluetooth_fake_adapter_setter.mojom.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace content {
 class RenderProcessHost;
@@ -15,19 +14,16 @@ class RenderProcessHost;
 class LayoutTestBluetoothFakeAdapterSetterImpl
     : public mojom::LayoutTestBluetoothFakeAdapterSetter {
  public:
+  LayoutTestBluetoothFakeAdapterSetterImpl();
+  ~LayoutTestBluetoothFakeAdapterSetterImpl() override;
+
   static void Create(
       mojom::LayoutTestBluetoothFakeAdapterSetterRequest request);
 
  private:
-  LayoutTestBluetoothFakeAdapterSetterImpl(
-      mojom::LayoutTestBluetoothFakeAdapterSetterRequest request);
-  ~LayoutTestBluetoothFakeAdapterSetterImpl() override;
-
   void Set(const std::string& adapter_name,
            const SetCallback& callback) override;
 
-  mojo::StrongBinding<LayoutTestBluetoothFakeAdapterSetter> binding_;
-
   DISALLOW_COPY_AND_ASSIGN(LayoutTestBluetoothFakeAdapterSetterImpl);
 };