cc: Implement geometry-based tile eviction

cc/layers/picture_layer_impl.cc

Index: cc/layers/picture_layer_impl.cc
diff --git a/cc/layers/picture_layer_impl.cc b/cc/layers/picture_layer_impl.cc
index 54cfac88b32ec722abac90809ad0c5c9486e7731..0affc098bfae8fc009a420edc011c387e2813279 100644
--- a/cc/layers/picture_layer_impl.cc
+++ b/cc/layers/picture_layer_impl.cc
@@ -95,8 +95,10 @@ scoped_ptr<TilingSetEvictionQueue> PictureLayerImpl::CreateEvictionQueue(
     TreePriority tree_priority) {
   if (!tilings_)
     return make_scoped_ptr(new TilingSetEvictionQueue());
-  return make_scoped_ptr(
-      new TilingSetEvictionQueue(tilings_.get(), tree_priority));
+  bool skip_shared_out_of_order_tiles =
+      GetPendingOrActiveTwinLayer() != nullptr;
+  return make_scoped_ptr(new TilingSetEvictionQueue(
+      tilings_.get(), tree_priority, skip_shared_out_of_order_tiles));
 }
 
 scoped_ptr<TilingSetRasterQueue> PictureLayerImpl::CreateRasterQueue(