[Android] Stop hiding the RWHV layer subtree when hiding the widget

content/browser/renderer_host/compositor_impl_android.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/compositor_impl_android.h"
 
 #include <android/bitmap.h>
 #include <android/native_window_jni.h>
 
 #include "base/android/jni_android.h"
@@ skipping 451 matching lines @@
     output_surface_request_pending_ = false;
     display_client_.reset();
     if (current_composite_task_) {
       current_composite_task_->Cancel();
       current_composite_task_.reset();
     }
   } else if (!host_) {
     CreateLayerTreeHost();
     ui_resource_provider_.SetLayerTreeHost(host_.get());
   }
+  root_window_->OnVisibilityChanged(visible);
 }
 
 void CompositorImpl::setDeviceScaleFactor(float factor) {
   device_scale_factor_ = factor;
   if (host_)
     host_->SetDeviceScaleFactor(factor);
 }
 
 void CompositorImpl::SetWindowBounds(const gfx::Size& size) {
   if (size_ == size)
@@ skipping 245 matching lines @@
 
 void CompositorImpl::SetNeedsAnimate() {
   needs_animate_ = true;
   if (!host_)
     return;
 
   host_->SetNeedsAnimate();
 }
 
 }  // namespace content