Fixes 2D-to-WebVR site transitions when browsing in VR.

device/vr/vr_device_manager.h

Index: device/vr/vr_device_manager.h
diff --git a/device/vr/vr_device_manager.h b/device/vr/vr_device_manager.h
index 202cd847b6bb9c7d0d54c6f97bf9abe596e1ada2..718b3f10d0c660d7fc09c5bdc955e392b8efccb2 100644
--- a/device/vr/vr_device_manager.h
+++ b/device/vr/vr_device_manager.h
@@ -24,6 +24,8 @@
 
 namespace device {
 
+// Singleton used to provide the platform's VR devices to VRServiceImpl
+// instances.
 class VRDeviceManager {
  public:
   DEVICE_VR_EXPORT virtual ~VRDeviceManager();
@@ -33,10 +35,12 @@ class VRDeviceManager {
 
   // Adds a listener for device manager events. VRDeviceManager does not own
   // this object.
-  void AddService(VRServiceImpl* service);
+  // Automatically connects all currently available VR devices by querying
+  // the device providers and, for each returned device, calling
+  // VRServiceImpl::ConnectDevice.
+  DEVICE_VR_EXPORT void AddService(VRServiceImpl* service);
   void RemoveService(VRServiceImpl* service);
 
-  DEVICE_VR_EXPORT bool GetVRDevices(VRServiceImpl* service);
   DEVICE_VR_EXPORT unsigned int GetNumberOfConnectedDevices();
 
   void ListeningForActivateChanged(bool listening);