Added support for OpenVR controllers

device/vr/openvr/openvr_device_provider.cc

Index: device/vr/openvr/openvr_device_provider.cc
diff --git a/device/vr/openvr/openvr_device_provider.cc b/device/vr/openvr/openvr_device_provider.cc
index aee062f1463536d9a85580eff572ff925e800647..7831beec26e1705dbff0aa8e872a4ba284d04ad3 100644
--- a/device/vr/openvr/openvr_device_provider.cc
+++ b/device/vr/openvr/openvr_device_provider.cc
@@ -3,7 +3,10 @@
 // found in the LICENSE file.
 
 #include "device/vr/openvr/openvr_device_provider.h"
+
+#include "device/gamepad/gamepad_data_fetcher_manager.h"
 #include "device/vr/openvr/openvr_device.h"
+#include "device/vr/openvr/openvr_gamepad_data_fetcher.h"
 #include "third_party/openvr/src/headers/openvr.h"
 
 namespace device {
@@ -14,7 +17,10 @@ OpenVRDeviceProvider::~OpenVRDeviceProvider() {}
 
 void OpenVRDeviceProvider::GetDevices(std::vector<VRDevice*>* devices) {
   if (vr::VR_IsRuntimeInstalled() && vr::VR_IsHmdPresent()) {
-    devices->push_back(new OpenVRDevice());
+    VRDevice* device = new OpenVRDevice();
+    devices->push_back(device);
+    GamepadDataFetcherManager::GetInstance()->AddFactory(
+        new OpenVRGamepadDataFetcher::Factory(device->id()));
   }
 }