Rename renderer() to layoutObject().

Source/core/layout/compositing/CompositingLayerAssigner.cpp

Index: Source/core/layout/compositing/CompositingLayerAssigner.cpp
diff --git a/Source/core/layout/compositing/CompositingLayerAssigner.cpp b/Source/core/layout/compositing/CompositingLayerAssigner.cpp
index 145a2ad17526d81b95e89a38228869509bef859b..ff06c7b60ac1213336a918df245b05daad3b4d69 100644
--- a/Source/core/layout/compositing/CompositingLayerAssigner.cpp
+++ b/Source/core/layout/compositing/CompositingLayerAssigner.cpp
@@ -125,12 +125,12 @@ CompositingReasons CompositingLayerAssigner::getReasonsPreventingSquashing(const
     // video to share a backing with other layers.
     //
     // compositing/video/video-controls-layer-creation.html
-    if (layer->renderer()->isVideo() || squashingLayer.renderer()->isVideo())
+    if (layer->layoutObject()->isVideo() || squashingLayer.layoutObject()->isVideo())
         return CompositingReasonSquashingVideoIsDisallowed;
 
     // Don't squash iframes, frames or plugins.
     // FIXME: this is only necessary because there is frame code that assumes that composited frames are not squashed.
-    if (layer->renderer()->isLayoutPart() || squashingLayer.renderer()->isLayoutPart())
+    if (layer->layoutObject()->isLayoutPart() || squashingLayer.layoutObject()->isLayoutPart())
         return CompositingReasonSquashingLayoutPartIsDisallowed;
 
     if (layer->reflectionInfo())
@@ -139,7 +139,7 @@ CompositingReasons CompositingLayerAssigner::getReasonsPreventingSquashing(const
     if (squashingWouldExceedSparsityTolerance(layer, squashingState))
         return CompositingReasonSquashingSparsityExceeded;
 
-    if (layer->renderer()->style()->hasBlendMode())
+    if (layer->layoutObject()->style()->hasBlendMode())
         return CompositingReasonSquashingBlendingIsDisallowed;
 
     // FIXME: this is not efficient, since it walks up the tree. We should store these values on the CompositingInputsCache.