Plumb SetVisible from ui::Compositor to the DirectRenderer.

cc/output/renderer.h

Index: cc/output/renderer.h
diff --git a/cc/output/renderer.h b/cc/output/renderer.h
index d91e9cd71a8fdd85a0d5f4d56b91df385636ec18..642f48210a57ffd3589c06c90dd228b43c2af2fe 100644
--- a/cc/output/renderer.h
+++ b/cc/output/renderer.h
@@ -87,7 +87,7 @@ class CC_EXPORT Renderer {
 
  protected:
   Renderer(RendererClient* client, const RendererSettings* settings)
-      : client_(client), settings_(settings), visible_(true) {}
+      : client_(client), settings_(settings), visible_(false) {}

[danakj, 2016/08/10 23:05:26]

This is a change in the Renderer, I guess it defaulting true is what made things
work. LTH/Scheduler/etc all defaults to false so this should match. I might
break a million cc unit tests tho woops. Better fix.

 
   virtual void DidChangeVisibility() = 0;