Remove scroll_delta flooring hack

cc/layers/layer_impl.cc

Index: cc/layers/layer_impl.cc
diff --git a/cc/layers/layer_impl.cc b/cc/layers/layer_impl.cc
index 50501a9cf1b3c21c60a98d80cdc5966beeb0fcad..ebe21580a04abb226e8c32d0c81991bbf10f0147 100644
--- a/cc/layers/layer_impl.cc
+++ b/cc/layers/layer_impl.cc
@@ -1088,20 +1088,7 @@ void LayerImpl::PushScrollOffsetFromMainThreadAndClobberActiveValue(
 
 gfx::ScrollOffset LayerImpl::PullDeltaForMainThread() {
   RefreshFromScrollDelegate();
-
-  // TODO(aelias, miletus): Remove all this temporary flooring machinery when
-  // Blink fully supports fractional scrolls.
-  gfx::ScrollOffset current_offset = CurrentScrollOffset();
-  gfx::Vector2dF current_delta = ScrollDelta();
-  gfx::Vector2dF floored_delta(floor(current_delta.x()),
-                               floor(current_delta.y()));
-  gfx::Vector2dF diff_delta = floored_delta - current_delta;
-  gfx::ScrollOffset tmp_offset = ScrollOffsetWithDelta(current_offset,
-                                                       diff_delta);
-  scroll_offset_->SetCurrent(tmp_offset);
-  gfx::ScrollOffset delta = scroll_offset_->PullDeltaForMainThread();
-  scroll_offset_->SetCurrent(current_offset);
-  return delta;
+  return scroll_offset_->PullDeltaForMainThread();
 }
 
 void LayerImpl::RefreshFromScrollDelegate() {