Make ViewRoot the top of the ViewAndroid tree

chrome/browser/android/vr_shell/vr_compositor.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 "chrome/browser/android/vr_shell/vr_compositor.h"
 
 #include <utility>
 
 #include "cc/layers/layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "content/public/browser/android/compositor.h"
 #include "content/public/browser/web_contents.h"
 #include "third_party/skia/include/core/SkColor.h"
-#include "ui/android/window_android.h"
+#include "ui/android/view_android.h"
 
 namespace vr_shell {
 
-VrCompositor::VrCompositor(ui::WindowAndroid* window, bool transparent)
-    : background_color_(SK_ColorWHITE),
-      transparent_(transparent) {
-  compositor_.reset(content::Compositor::Create(this, window));
+VrCompositor::VrCompositor(ui::ViewRoot* view_root, bool transparent)
+    : background_color_(SK_ColorWHITE), transparent_(transparent) {
+  compositor_.reset(content::Compositor::Create(this, view_root));
   compositor_->SetHasTransparentBackground(transparent);
 }
 
 VrCompositor::~VrCompositor() {
   RestoreLayer();
 }
 
 void VrCompositor::UpdateLayerTreeHost() {}
 
 void VrCompositor::OnSwapBuffersCompleted(int pending_swap_buffers) {}
@@ skipping 38 matching lines @@
 
 void VrCompositor::SetWindowBounds(gfx::Size size) {
   compositor_->SetWindowBounds(size);
 }
 
 void VrCompositor::SurfaceChanged(jobject surface) {
   compositor_->SetSurface(surface);
 }
 
 }  // namespace vr_shell