Rename renderer to layoutObject in core/editing.

Source/core/editing/EditorCommand.cpp

Index: Source/core/editing/EditorCommand.cpp
diff --git a/Source/core/editing/EditorCommand.cpp b/Source/core/editing/EditorCommand.cpp
index 0a873db1837e5a080f3ad6a17ca0648cdc62c80d..414188a69d97e55c069ed6ce1892ddc62b1da7fb 100644
--- a/Source/core/editing/EditorCommand.cpp
+++ b/Source/core/editing/EditorCommand.cpp
@@ -267,10 +267,10 @@ static unsigned verticalScrollDistance(LocalFrame& frame)
     Element* focusedElement = frame.document()->focusedElement();
     if (!focusedElement)
         return 0;
-    LayoutObject* renderer = focusedElement->layoutObject();
-    if (!renderer || !renderer->isBox())
+    LayoutObject* layoutObject = focusedElement->layoutObject();
+    if (!layoutObject || !layoutObject->isBox())
         return 0;
-    LayoutBox& layoutBox = toLayoutBox(*renderer);
+    LayoutBox& layoutBox = toLayoutBox(*layoutObject);
     const ComputedStyle* style = layoutBox.style();
     if (!style)
         return 0;