NOT FOR COMMIT dcheck in rwhva

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index c182e2982a386ead45fdc64039a74409dc498795..f5ac67a9c99355f36c9895e8ef92275b7057d2ee 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -1745,6 +1745,7 @@ uint32_t RenderWidgetHostViewAndroid::GetSurfaceIdNamespace() {
 
 void RenderWidgetHostViewAndroid::SetContentViewCore(
     ContentViewCoreImpl* content_view_core) {
+  CHECK(!content_view_core_ || !content_view_core || (content_view_core_ == content_view_core));
   RemoveLayers();
   StopObservingRootWindow();