Fix visibilty handling for accelerated Mac plugins

chrome/browser/renderer_host/accelerated_surface_container_mac.cc

Index: chrome/browser/renderer_host/accelerated_surface_container_mac.cc
diff --git a/chrome/browser/renderer_host/accelerated_surface_container_mac.cc b/chrome/browser/renderer_host/accelerated_surface_container_mac.cc
index fbdf3cff74cf734d1a33a1caafb50c44ca739d9b..87def4991536be38ce425ad12e30bf0128686e07 100644
--- a/chrome/browser/renderer_host/accelerated_surface_container_mac.cc
+++ b/chrome/browser/renderer_host/accelerated_surface_container_mac.cc
@@ -67,7 +67,10 @@ void AcceleratedSurfaceContainerMac::MoveTo(
   x_ = geom.window_rect.x();
   y_ = geom.window_rect.y();
   // TODO(kbr): may need to pay attention to cutout rects.
-  clipRect_ = geom.clip_rect;
+  if (geom.visible)
+    clipRect_ = geom.clip_rect;
+  else
+    clipRect_ = gfx::Rect();
 }
 
 void AcceleratedSurfaceContainerMac::Draw(CGLContextObj context) {