Plumbing through more WebVR presentation code

device/vr/android/gvr/gvr_device.h

Index: device/vr/android/gvr/gvr_device.h
diff --git a/device/vr/android/gvr/gvr_device.h b/device/vr/android/gvr/gvr_device.h
index 83745312834cb467eba2e295bf1afd7a9ebeedfc..ed70b84c39d7c3f017f056a60a6a618e94d96668 100644
--- a/device/vr/android/gvr/gvr_device.h
+++ b/device/vr/android/gvr/gvr_device.h
@@ -8,15 +8,13 @@
 #include "base/macros.h"
 #include "device/vr/vr_device.h"
 
-namespace gvr {
-class GvrApi;
-}  // namespace gvr
-
 namespace device {
 
+class GvrDelegate;
+
 class GvrDevice : public VRDevice {
  public:
-  GvrDevice(VRDeviceProvider* provider, gvr::GvrApi* gvr_api);
+  GvrDevice(VRDeviceProvider* provider, GvrDelegate* delegate);
   ~GvrDevice() override;
 
   // VRDevice
@@ -24,8 +22,15 @@ class GvrDevice : public VRDevice {
   VRPosePtr GetPose() override;
   void ResetPose() override;
 
+  void RequestPresent() override;
+  void ExitPresent() override;
+
+  void SubmitFrame() override;
+  void UpdateLayerBounds(VRLayerBoundsPtr leftBounds,
+                         VRLayerBoundsPtr rightBounds) override;
+
  private:
-  gvr::GvrApi* gvr_api_;
+  GvrDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(GvrDevice);
 };