ozone: evdev: Add gamepad support

services/ui/input_devices/input_device_server.cc

Index: services/ui/input_devices/input_device_server.cc
diff --git a/services/ui/input_devices/input_device_server.cc b/services/ui/input_devices/input_device_server.cc
index d254cba9df143af9897f813d273c87cf86a65366..4f0f02bd54ed3255cbfa6209771f1f0d2dd31732 100644
--- a/services/ui/input_devices/input_device_server.cc
+++ b/services/ui/input_devices/input_device_server.cc
@@ -88,6 +88,16 @@ void InputDeviceServer::OnTouchpadDeviceConfigurationChanged() {
   });
 }
 
+void InputDeviceServer::OnGamepadDeviceConfigurationChanged() {
+  if (!manager_->AreDeviceListsComplete())
+    return;
+
+  auto& devices = manager_->GetGamepadDevices();
+  observers_.ForAllPtrs([&devices](mojom::InputDeviceObserverMojo* observer) {
+    observer->OnGamepadDeviceConfigurationChanged(devices);
+  });
+}
+
 void InputDeviceServer::OnDeviceListsComplete() {
   observers_.ForAllPtrs([this](mojom::InputDeviceObserverMojo* observer) {
     SendDeviceListsComplete(observer);
@@ -106,7 +116,8 @@ void InputDeviceServer::SendDeviceListsComplete(
 
   observer->OnDeviceListsComplete(
       manager_->GetKeyboardDevices(), manager_->GetTouchscreenDevices(),
-      manager_->GetMouseDevices(), manager_->GetTouchpadDevices());
+      manager_->GetMouseDevices(), manager_->GetTouchpadDevices(),
+      manager_->GetGamepadDevices());
 }
 
 void InputDeviceServer::Create(const service_manager::Identity& remote_identity,