Updated VRService to match the latest Blink WebVR interface.

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

Index: third_party/WebKit/Source/modules/vr/VRStageParameters.cpp
diff --git a/third_party/WebKit/Source/modules/vr/VRStageParameters.cpp b/third_party/WebKit/Source/modules/vr/VRStageParameters.cpp
index 09ea2fd7a2dea1aebe2e8a119b862e557b7dc39e..3725c3a040c1778f35a3dc01df11c8a2f290735f 100644
--- a/third_party/WebKit/Source/modules/vr/VRStageParameters.cpp
+++ b/third_party/WebKit/Source/modules/vr/VRStageParameters.cpp
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "modules/vr/VRStageParameters.h"
+#include "platform/mojo/MojoHelper.h"

[dcheng, 2016/05/19 22:17:48]

Not needed now, I think.

 
 namespace blink {
 
@@ -18,6 +19,15 @@ VRStageParameters::VRStageParameters()
     m_standingTransform->data()[15] = 1.0f;
 }
 
+void VRStageParameters::update(const mojom::blink::VRStageParametersPtr& stage)
+{
+    if (!stage->standingTransform.is_null() && stage->standingTransform.size() == 16) {

[dcheng, 2016/05/19 22:17:48]

Ditto: will Mojo actually deserialize the message if the array size isn't 16?

+        m_standingTransform = DOMFloat32Array::create(&(stage->standingTransform.front()), 16);
+    }
+    m_sizeX = stage->sizeX;
+    m_sizeZ = stage->sizeZ;
+}
+
 DEFINE_TRACE(VRStageParameters)
 {
     visitor->trace(m_standingTransform);