Updated VRService to match the latest Blink WebVR interface.

third_party/WebKit/Source/modules/vr/NavigatorVR.cpp

Index: third_party/WebKit/Source/modules/vr/NavigatorVR.cpp
diff --git a/third_party/WebKit/Source/modules/vr/NavigatorVR.cpp b/third_party/WebKit/Source/modules/vr/NavigatorVR.cpp
index 77fae778cb8dd619c6dc2a4f99786aca195e7dee..c8e9b7219b0622d9eee84e75965f0e6a9f4d78e6 100644
--- a/third_party/WebKit/Source/modules/vr/NavigatorVR.cpp
+++ b/third_party/WebKit/Source/modules/vr/NavigatorVR.cpp
@@ -57,7 +57,7 @@ ScriptPromise NavigatorVR::getVRDisplays(ScriptState* scriptState)
         return promise;
     }
 
-    controller()->getDevices(WTF::wrapUnique(new VRGetDevicesCallback(resolver, m_displays.get())));
+    controller()->getDisplays(WTF::wrapUnique(new VRGetDevicesCallback(resolver, m_displays.get())));
 
     return promise;
 }