Adding WebVR interface to Blink

public/platform/Platform.h

Index: public/platform/Platform.h
diff --git a/public/platform/Platform.h b/public/platform/Platform.h
index 7a3e56d8cd899c909c6cefe78926c23c571056b8..f69d3e2e9fa46f019084fec4e0555abbdd5aec08 100644
--- a/public/platform/Platform.h
+++ b/public/platform/Platform.h
@@ -48,13 +48,17 @@
 #include "WebGraphicsContext3D.h"
 #include "WebLocalizedString.h"
 #include "WebPlatformEventType.h"
+#include "WebSize.h"
 #include "WebSpeechSynthesizer.h"
 #include "WebStorageQuotaCallbacks.h"
 #include "WebStorageQuotaType.h"
 #include "WebString.h"
 #include "WebURLError.h"
+#include "WebVR.h"
 #include "WebVector.h"
 
+#include <vector>
+
 class GrContext;
 
 namespace blink {
@@ -219,6 +223,19 @@ public:
     virtual void sampleGamepads(WebGamepads& into) { into.length = 0; }
 
 
+    // WebVR -------------------------------------------------------------
+
+    virtual void getVRDevices(std::vector<blink::WebVRDevice>* devices) { }
+
+    virtual void getHMDSensorState(unsigned index, double timeOffset, blink::WebHMDSensorState& into) { }
+
+    virtual void resetVRSensor(unsigned index) { }
+
+    virtual void getVRRenderTargetSize(unsigned index,
+        blink::WebVRFieldOfView leftFov,
+        blink::WebVRFieldOfView rightFov,
+        blink::WebSize* size) { };
+
     // History -------------------------------------------------------------
 
     // Returns the hash for the given canonicalized URL for use in visited