Merge pull request #52 from dglazkov/slot-performance

Stubbed out Slots proposal.

proposals/Slots-Proposal.md

@@ -0,0 +1,24 @@
+# Slots Proposal
+
+```slot``` element represents an insertion point (slot?) in the shadow tree. Has same rendering behavior is as the ```content``` element.
+
+Attributes:
+* ```name``` -- the name of the slot.
+
+```WebIDL
+interface HTMLSlotElement : HTMLElement {
+  attribute DOMString name;
+  NodeList getDistributedNodes();
+}
+```
+
+* ```name``` -- reflects the ```name``` attribute.
+*  ```getDistributedNodes``` --- returns a static list of nodes, currently distributed into this slot.
+
+```WebIDL
+partial interface Element {
+  attribute DOMString slot;
+}
+```
+
+* ```slot``` -- reflects the ```slot``` attribute.