Update WebVR interface to match the 1.1 spec

third_party/WebKit/Source/modules/vr/VRDisplay.idl

Index: third_party/WebKit/Source/modules/vr/VRDisplay.idl
diff --git a/third_party/WebKit/Source/modules/vr/VRDisplay.idl b/third_party/WebKit/Source/modules/vr/VRDisplay.idl
index e4e2f1952422956b96e03da81188617105caf82c..e940a768aa2726ebc83669ac00de2a120ac42c6d 100644
--- a/third_party/WebKit/Source/modules/vr/VRDisplay.idl
+++ b/third_party/WebKit/Source/modules/vr/VRDisplay.idl
@@ -25,10 +25,13 @@ enum VREye {
 
     readonly attribute VRStageParameters stageParameters;
 
+    boolean getFrameData(VRFrameData frameData);
     VRPose getPose();
-    VRPose getImmediatePose();
     void resetPose();
 
+    attribute double depthNear;
+    attribute double depthFar;
+
     VREyeParameters getEyeParameters(VREye whichEye);
 
     long requestAnimationFrame(FrameRequestCallback callback);
@@ -48,5 +51,5 @@ enum VREye {
     // in the HMD. Calling this function has the same effect on the source
     // canvas as any other operation that uses its source image, and canvases
     // created without preserveDrawingBuffer set to true will be cleared.
-    void submitFrame(optional VRPose pose = null);
+    void submitFrame();
 };