Devtools/CC: Remove continuous repainting feature

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 ff18322ae407228f64731078da0a98d6df2c86ff..852d6b1411f04dd05b2754e7215ac85ed6cc095f 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -857,10 +857,6 @@ FrameRateCounter* LayerTreeImpl::frame_rate_counter() const {
   return layer_tree_host_impl_->fps_counter();
 }
 
-PaintTimeCounter* LayerTreeImpl::paint_time_counter() const {
-  return layer_tree_host_impl_->paint_time_counter();
-}
-
 MemoryHistory* LayerTreeImpl::memory_history() const {
   return layer_tree_host_impl_->memory_history();
 }