cc: Remove DelegatingRenderer.

cc/trees/layer_tree_impl.cc

Index: cc/trees/layer_tree_impl.cc
diff --git a/cc/trees/layer_tree_impl.cc b/cc/trees/layer_tree_impl.cc
index 1f6b88c85497ece2288fe14621f394decee03329..7ec16870f33241d6fd2d7218d9951f239a6ca77f 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -928,10 +928,9 @@ bool LayerTreeImpl::UpdateDrawProperties(bool update_lcd_text) {
   // early outs before this.
   needs_update_draw_properties_ = false;
 
-  // For max_texture_size.  When the renderer is re-created in
-  // CreateAndSetRenderer, the needs update draw properties flag is set
-  // again.
-  if (!layer_tree_host_impl_->renderer())
+  // For max_texture_size. When a new output surface is received the needs
+  // update draw properties flag is set again.
+  if (!layer_tree_host_impl_->output_surface())
     return false;
 
   // Clear this after the renderer early out, as it should still be