Rename renderer() to layoutObject().

Source/core/html/HTMLFrameSetElement.cpp

Index: Source/core/html/HTMLFrameSetElement.cpp
diff --git a/Source/core/html/HTMLFrameSetElement.cpp b/Source/core/html/HTMLFrameSetElement.cpp
index dc1cf764f21f85d64261fb8d67c4eb2dbb7846a6..a8743110ec6aeb1b7a81649bb503ebf52d8a2cd2 100644
--- a/Source/core/html/HTMLFrameSetElement.cpp
+++ b/Source/core/html/HTMLFrameSetElement.cpp
@@ -183,8 +183,8 @@ void HTMLFrameSetElement::attach(const AttachContext& context)
 
 void HTMLFrameSetElement::defaultEventHandler(Event* evt)
 {
-    if (evt->isMouseEvent() && !m_noresize && renderer() && renderer()->isFrameSet()) {
-        if (toLayoutFrameSet(renderer())->userResize(toMouseEvent(evt))) {
+    if (evt->isMouseEvent() && !m_noresize && layoutObject() && layoutObject()->isFrameSet()) {
+        if (toLayoutFrameSet(layoutObject())->userResize(toMouseEvent(evt))) {
             evt->setDefaultHandled();
             return;
         }
@@ -203,8 +203,8 @@ Node::InsertionNotificationRequest HTMLFrameSetElement::insertedInto(ContainerNo
 
 void HTMLFrameSetElement::willRecalcStyle(StyleRecalcChange)
 {
-    if (needsStyleRecalc() && renderer()) {
-        renderer()->setNeedsLayoutAndFullPaintInvalidation();
+    if (needsStyleRecalc() && layoutObject()) {
+        layoutObject()->setNeedsLayoutAndFullPaintInvalidation();
         clearNeedsStyleRecalc();
     }
 }