cc: Move tiling management out of draw properties calculation.

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 a6738cc5d956ef2082da23c2bea30a0b450ed1cc..9895ef65c542855e51ba2e00581f474db7e0e23a 100644
--- a/cc/layers/layer_impl.cc
+++ b/cc/layers/layer_impl.cc
@@ -1064,13 +1064,18 @@ void LayerImpl::CalculateContentsScale(float ideal_contents_scale,
                                        float* contents_scale_x,
                                        float* contents_scale_y,
                                        gfx::Size* content_bounds) {
-  // Base LayerImpl has all of its content scales and content bounds pushed
-  // from its Layer during commit and just reuses those values as-is.
-  *contents_scale_x = this->contents_scale_x();
-  *contents_scale_y = this->contents_scale_y();
-  *content_bounds = this->content_bounds();
+  if (layer_tree_impl()->settings().impl_side_painting) {
+    *contents_scale_x = 1.f;
+    *contents_scale_y = 1.f;
+    *content_bounds = bounds();
+  } else {
+    // Base LayerImpl has all of its content scales and content bounds pushed
+    // from its Layer during commit and just reuses those values as-is.
+    *contents_scale_x = this->contents_scale_x();
+    *contents_scale_y = this->contents_scale_y();
+    *content_bounds = this->content_bounds();
+  }
 }
-
 void LayerImpl::SetScrollOffsetDelegate(
     LayerScrollOffsetDelegate* scroll_offset_delegate) {
   // Having both a scroll parent and a scroll offset delegate is unsupported.