cc: Remove SetLayerTreeHostClientReady()

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 345b9e140d3f58a5ef43eb887f3bac6eeca98a8e..acf6c6d350f9d71bb792b98edcf7075bdec899ac 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -1339,6 +1339,12 @@ void RenderWidget::initializeLayerTreeView() {
 
   compositor_ = RenderWidgetCompositor::Create(this, compositor_deps_);
   compositor_->setViewportSize(size_, physical_backing_size_);
+
+  // For background pages and certain tests, we don't want to trigger
+  // OutputSurface creation.
+  if (never_visible_ || !RenderThreadImpl::current())
+    compositor_->SetNeverVisible();
+
   StartCompositor();
 }
 
@@ -2168,15 +2174,8 @@ void RenderWidget::didOverscroll(
 }
 
 void RenderWidget::StartCompositor() {
-  // For widgets that are never visible, we don't need the compositor to run
-  // at all.
-  if (never_visible_)
-    return;
-  // In tests without a RenderThreadImpl, don't set ready as this kicks
-  // off creating output surfaces that the test can't create.
-  if (!RenderThreadImpl::current())
-    return;
-  compositor_->StartCompositor();
+  if (!is_hidden())
+    compositor_->setVisible(true);
 }
 
 void RenderWidget::SchedulePluginMove(const WebPluginGeometry& move) {