chore: use =default for default constructors/destructors (#29511)

shell/common/api/electron_bindings.cc

@@ -38,7 +38,7 @@ ElectronBindings::ElectronBindings(uv_loop_t* loop) {
   metrics_ = base::ProcessMetrics::CreateCurrentProcessMetrics();
 }
 
-ElectronBindings::~ElectronBindings() {}
+ElectronBindings::~ElectronBindings() = default;
 
 // static
 void ElectronBindings::BindProcess(v8::Isolate* isolate,

shell/common/extensions/electron_extensions_client.cc

@@ -30,8 +30,8 @@ namespace {
 class ElectronPermissionMessageProvider
     : public extensions::PermissionMessageProvider {
  public:
-  ElectronPermissionMessageProvider() {}
-  ~ElectronPermissionMessageProvider() override {}
+  ElectronPermissionMessageProvider() = default;
+  ~ElectronPermissionMessageProvider() override = default;
 
   // PermissionMessageProvider implementation.
   extensions::PermissionMessages GetPermissionMessages(
@@ -70,7 +70,7 @@ ElectronExtensionsClient::ElectronExtensionsClient()
   AddAPIProvider(std::make_unique<ElectronExtensionsAPIProvider>());
 }
 
-ElectronExtensionsClient::~ElectronExtensionsClient() {}
+ElectronExtensionsClient::~ElectronExtensionsClient() = default;
 
 void ElectronExtensionsClient::Initialize() {
   // TODO(jamescook): Do we need to whitelist any extensions?

shell/common/node_bindings_mac.cc

@@ -17,7 +17,7 @@ namespace electron {
 NodeBindingsMac::NodeBindingsMac(BrowserEnvironment browser_env)
     : NodeBindings(browser_env) {}
 
-NodeBindingsMac::~NodeBindingsMac() {}
+NodeBindingsMac::~NodeBindingsMac() = default;
 
 void NodeBindingsMac::RunMessageLoop() {
   // Get notified when libuv's watcher queue changes.

shell/common/node_bindings_win.cc

@@ -27,7 +27,7 @@ NodeBindingsWin::NodeBindingsWin(BrowserEnvironment browser_env)
   }
 }
 
-NodeBindingsWin::~NodeBindingsWin() {}
+NodeBindingsWin::~NodeBindingsWin() = default;
 
 void NodeBindingsWin::PollEvents() {
   // If there are other kinds of events pending, uv_backend_timeout will