Remove Sync GetPose VRService call, implement VRVSyncProvider

chrome/browser/android/vr_shell/vr_shell.h

Index: chrome/browser/android/vr_shell/vr_shell.h
diff --git a/chrome/browser/android/vr_shell/vr_shell.h b/chrome/browser/android/vr_shell/vr_shell.h
index a95676ea6ce6316c07baf9a73a2cf074ca4cf434..dd530fc2e6fdf1f00a714735d3d8121c6a7fff1d 100644
--- a/chrome/browser/android/vr_shell/vr_shell.h
+++ b/chrome/browser/android/vr_shell/vr_shell.h
@@ -16,6 +16,7 @@
 #include "base/single_thread_task_runner.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "device/vr/android/gvr/gvr_delegate.h"
+#include "device/vr/vr_service.mojom.h"
 #include "third_party/gvr-android-sdk/src/libraries/headers/vr/gvr/capi/include/gvr.h"
 #include "third_party/gvr-android-sdk/src/libraries/headers/vr/gvr/capi/include/gvr_types.h"
 
@@ -81,6 +82,9 @@ class VrShell : public device::GvrDelegate, content::WebContentsObserver {
   void SetWebVrMode(JNIEnv* env,
                     const base::android::JavaParamRef<jobject>& obj,
                     bool enabled);
+  void UpdateVSyncInterval(JNIEnv* env,
+                           const base::android::JavaParamRef<jobject>& obj,
+                           jlong timebase_nanos, jdouble interval_seconds);
 
   void ContentWebContentsDestroyed();
   // Called when our WebContents have been hidden. Usually a sign that something
@@ -103,7 +107,6 @@ class VrShell : public device::GvrDelegate, content::WebContentsObserver {
   void UpdateWebVRTextureBounds(const gvr::Rectf& left_bounds,
                                 const gvr::Rectf& right_bounds) override;
   gvr::GvrApi* gvr_api() override;
-  void SetGvrPoseForWebVr(const gvr::Mat4f& pose, uint32_t pose_num) override;
   void SetWebVRRenderSurfaceSize(int width, int height) override;
   gvr::Sizei GetWebVRCompositorSurfaceSize() override;
 
@@ -133,6 +136,10 @@ class VrShell : public device::GvrDelegate, content::WebContentsObserver {
 
   void ForceExitVr();
 
+  void OnVRVsyncProviderReady();
+  void OnVRVSyncProviderClientConnected(
+      device::mojom::VRVSyncProviderClientPtr client);
+
  private:
   ~VrShell() override;
   void SetShowingOverscrollGlow(bool showing_glow);