Remove Sync GetPose VRService call, implement VRVSyncProvider

chrome/browser/android/vr_shell/vr_gl_thread.h

+// 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.
+
+#ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_GL_THREAD_H_
+#define CHROME_BROWSER_ANDROID_VR_SHELL_VR_GL_THREAD_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread.h"
+#include "third_party/gvr-android-sdk/src/libraries/headers/vr/gvr/capi/include/gvr_types.h"
+
+namespace vr_shell {
+
+class VrShell;
+class VrShellDelegate;
+class VrShellGl;
+
+class VrGLThread : public base::Thread {
+ public:
+  VrGLThread(
+      const base::WeakPtr<VrShell>& weak_vr_shell,
+      const base::WeakPtr<VrShellDelegate>& delegate_provider,
+      scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner,
+      gvr_context* gvr_api,
+      bool initially_web_vr,
+      bool reprojected_rendering);
+
+  ~VrGLThread() override;
+  base::WeakPtr<VrShellGl> GetVrShellGl() { return weak_vr_shell_gl_; }
+  VrShellGl* GetVrShellGlUnsafe() { return vr_shell_gl_.get(); }
+
+ protected:
+  void Init() override;
+  void CleanUp() override;
+
+ private:
+  // Created on GL thread.
+  std::unique_ptr<VrShellGl> vr_shell_gl_;
+  base::WeakPtr<VrShellGl> weak_vr_shell_gl_;
+
+  // This state is used for initializing vr_shell_gl_.
+  base::WeakPtr<VrShell> weak_vr_shell_;
+  base::WeakPtr<VrShellDelegate> delegate_provider_;
+  scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
+  gvr_context* gvr_api_;
+  bool initially_web_vr_;
+  bool reprojected_rendering_;
+
+  DISALLOW_COPY_AND_ASSIGN(VrGLThread);
+};
+
+}  // namespace vr_shell
+
+#endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_GL_THREAD_H_