cc : Stop calculating visible rects on main thread

cc/debug/rasterize_and_record_benchmark.cc

Index: cc/debug/rasterize_and_record_benchmark.cc
diff --git a/cc/debug/rasterize_and_record_benchmark.cc b/cc/debug/rasterize_and_record_benchmark.cc
index 12c3bf96063393e23a0312735e39b6638d39b533..a9cae0a1598f6464a3b40899b973125ff6b654f5 100644
--- a/cc/debug/rasterize_and_record_benchmark.cc
+++ b/cc/debug/rasterize_and_record_benchmark.cc
@@ -114,10 +114,6 @@ void RasterizeAndRecordBenchmark::RunOnLayer(PictureLayer* layer) {
   if (!layer->DrawsContent())
     return;
 
-  gfx::Rect visible_layer_rect = layer->visible_layer_rect_for_testing();
-  if (visible_layer_rect.IsEmpty())
-    return;
-
   ContentLayerClient* painter = layer->client();
 
   for (int mode_index = 0; mode_index < RecordingSource::RECORDING_MODE_COUNT;