Encode frame number in pixel data for pose sync

device/vr/android/gvr/gvr_device_provider.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "device/vr/android/gvr/gvr_device_provider.h"
 
 #include <jni.h>
 
 #include "base/android/context_utils.h"
 #include "base/android/jni_android.h"
@@ skipping 47 matching lines @@
   }
 
   // GvrDelegate implementation
   void SetWebVRSecureOrigin(bool secure_origin) override {}
   void SubmitWebVRFrame() override {}
   void UpdateWebVRTextureBounds(int eye,
                                 float left,
                                 float top,
                                 float width,
                                 float height) override {}
+  void SetGvrPoseForWebVr(gvr::Mat4f pose, int32_t frameNumStarted) override{};
 
   gvr::GvrApi* gvr_api() override { return gvr_api_.get(); }
 
  private:
   base::android::ScopedJavaGlobalRef<jobject> j_device_;
   std::unique_ptr<gvr::GvrApi> gvr_api_;
 };
 
 GvrDeviceProvider::GvrDeviceProvider()
     : VRDeviceProvider(),
@@ skipping 67 matching lines @@
 
 void GvrDeviceProvider::GvrDelegateReady(GvrDelegate* delegate) {
   DCHECK(main_thread_task_runner_->BelongsToCurrentThread());
 
   vr_device_->SetDelegate(delegate);
   GamepadDataFetcherManager::GetInstance()->AddFactory(
       new GvrGamepadDataFetcher::Factory(delegate, vr_device_->id()));
 }
 
 }  // namespace device