Fix WebVR support for devices without Async Reprojection.

chrome/browser/android/vr_shell/vr_shell.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_SHELL_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_
 
 #include <jni.h>
 
 #include <memory>
@@ skipping 45 matching lines @@
 // must only be used on the UI thread.
 class VrShell : public device::GvrDelegate, content::WebContentsObserver {
  public:
   VrShell(JNIEnv* env, jobject obj,
           content::WebContents* main_contents,
           ui::WindowAndroid* content_window,
           content::WebContents* ui_contents,
           ui::WindowAndroid* ui_window,
           bool for_web_vr,
           VrShellDelegate* delegate,
-          gvr_context* gvr_api);
+          gvr_context* gvr_api,
+          bool reprojected_rendering);
 
   void LoadUIContent(JNIEnv* env,
                      const base::android::JavaParamRef<jobject>& obj);
   void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
   void OnTriggerEvent(JNIEnv* env,
                       const base::android::JavaParamRef<jobject>& obj);
   void OnPause(JNIEnv* env,
                const base::android::JavaParamRef<jobject>& obj);
   void OnResume(JNIEnv* env,
                 const base::android::JavaParamRef<jobject>& obj);
+  void SetSurface(JNIEnv* env,
+                  const base::android::JavaParamRef<jobject>& obj,
+                  const base::android::JavaParamRef<jobject>& surface);
   void SetWebVrMode(JNIEnv* env,
                     const base::android::JavaParamRef<jobject>& obj,
                     bool enabled);
 
   void ContentWebContentsDestroyed();
   // Called when our WebContents have been hidden. Usually a sign that something
   // like another tab placed in front of it.
   void ContentWasHidden();
 
   // html/js UI hooks.
@@ skipping 64 matching lines @@
 
   VrShellDelegate* delegate_ = nullptr;
   base::android::ScopedJavaGlobalRef<jobject> j_vr_shell_;
 
   std::unique_ptr<VrInputManager> content_input_manager_;
   std::unique_ptr<VrInputManager> ui_input_manager_;
   std::unique_ptr<VrMetricsHelper> metrics_helper_;
 
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
   std::unique_ptr<base::Thread> gl_thread_;
+  bool reprojected_rendering_;
 
   base::WeakPtrFactory<VrShell> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VrShell);
 };
 
 bool RegisterVrShell(JNIEnv* env);
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_