Rename "tree of trees" to "composed tree".

third_party/WebKit/LayoutTests/fast/dom/shadow/resources/event-dispatching.js

Index: third_party/WebKit/LayoutTests/fast/dom/shadow/resources/event-dispatching.js
diff --git a/third_party/WebKit/LayoutTests/fast/dom/shadow/resources/event-dispatching.js b/third_party/WebKit/LayoutTests/fast/dom/shadow/resources/event-dispatching.js
index c71535cd8246d17b4ab6ca6bdece3c9ef91f06c4..d06e5a94a615b5a432983f523b150f367d7dc3d5 100644
--- a/third_party/WebKit/LayoutTests/fast/dom/shadow/resources/event-dispatching.js
+++ b/third_party/WebKit/LayoutTests/fast/dom/shadow/resources/event-dispatching.js
@@ -119,7 +119,7 @@ function dumpTouchList(touches) {
 function addEventListeners(nodes)
 {
     for (var i = 0; i < nodes.length; ++i) {
-        addEventListenersToNode(getNodeInTreeOfTrees(nodes[i]));
+        addEventListenersToNode(getNodeInComposedTree(nodes[i]));
     }
 }
 
@@ -154,10 +154,10 @@ function moveMouse(oldElementId, newElementId)
 {
     clearEventRecords();
     debug('\n' + 'Moving mouse from ' + oldElementId + ' to ' + newElementId);
-    moveMouseOver(getNodeInTreeOfTrees(oldElementId));
+    moveMouseOver(getNodeInComposedTree(oldElementId));
 
     clearEventRecords();
-    moveMouseOver(getNodeInTreeOfTrees(newElementId));
+    moveMouseOver(getNodeInComposedTree(newElementId));
 
     debugDispatchedEvent('mouseout');
     debugDispatchedEvent('mouseover');
@@ -169,7 +169,7 @@ function clickElement(elementId)
     debug('\n' + 'Click ' + elementId);
     var clickEvent = document.createEvent("MouseEvents");
     clickEvent.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
-    getNodeInTreeOfTrees(elementId).dispatchEvent(clickEvent);
+    getNodeInComposedTree(elementId).dispatchEvent(clickEvent);
     debugDispatchedEvent('click');
 }