Implement our own GLThread for VR Shell.

ui/android/java/src/org/chromium/ui/gl/SurfaceTexturePlatformWrapper.java

 // Copyright 2013 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.
 
 package org.chromium.ui.gl;
 
 import android.graphics.SurfaceTexture;
 import android.util.Log;
 
 import org.chromium.base.annotations.CalledByNative;
@@ skipping 47 matching lines @@
 
     @CalledByNative
     private static void detachFromGLContext(SurfaceTexture surfaceTexture) {
         surfaceTexture.detachFromGLContext();
     }
 
     @CalledByNative
     private static void release(SurfaceTexture surfaceTexture) {
         surfaceTexture.release();
     }
+
+    @CalledByNative
+    private static void setDefaultBufferSize(SurfaceTexture surfaceTexture, int width, int height) {
+        surfaceTexture.setDefaultBufferSize(width, height);
+    }
 }