Move rendering/RenderObject to layout/LayoutObject.

LayoutTests/compositing/squashing/invalidations-with-large-negative-margin-inline-content.html

Index: LayoutTests/compositing/squashing/invalidations-with-large-negative-margin-inline-content.html
diff --git a/LayoutTests/compositing/squashing/invalidations-with-large-negative-margin-inline-content.html b/LayoutTests/compositing/squashing/invalidations-with-large-negative-margin-inline-content.html
index 598a29d546db4a56bb874372cae67493af5d804e..c9c19c6a253322d5bbe07dc7dca169d8fd71a946 100644
--- a/LayoutTests/compositing/squashing/invalidations-with-large-negative-margin-inline-content.html
+++ b/LayoutTests/compositing/squashing/invalidations-with-large-negative-margin-inline-content.html
@@ -11,7 +11,7 @@
 
 <pre id="output" style="display:none"></pre>
 <script>
-// Test that updating the position of a RenderObject that is squashed relative to its squashing container,
+// Test that updating the position of a LayoutObject that is squashed relative to its squashing container,
 // but does not have a Layer, issues the correct repaint rects.
 if (window.testRunner) {
     testRunner.dumpAsText();