Rename RenderText to LayoutText

Source/core/editing/VisibleUnits.cpp

Index: Source/core/editing/VisibleUnits.cpp
diff --git a/Source/core/editing/VisibleUnits.cpp b/Source/core/editing/VisibleUnits.cpp
index 09889ef8b2a520bf413b02f4dc12fd9018ab39c3..06501033c1acc65927657e8099568ca2c5a717af 100644
--- a/Source/core/editing/VisibleUnits.cpp
+++ b/Source/core/editing/VisibleUnits.cpp
@@ -1124,11 +1124,11 @@ VisiblePosition startOfParagraph(const VisiblePosition& c, EditingBoundaryCrossi
         if (r->isBR() || isBlock(n))
             break;
 
-        if (r->isText() && toRenderText(r)->renderedTextLength()) {
+        if (r->isText() && toLayoutText(r)->renderedTextLength()) {
             ASSERT_WITH_SECURITY_IMPLICATION(n->isTextNode());
             type = Position::PositionIsOffsetInAnchor;
             if (style->preserveNewline()) {
-                RenderText* text = toRenderText(r);
+                LayoutText* text = toLayoutText(r);
                 int i = text->textLength();
                 int o = offset;
                 if (n == startNode && o < i)
@@ -1204,12 +1204,12 @@ VisiblePosition endOfParagraph(const VisiblePosition &c, EditingBoundaryCrossing
             break;
 
         // FIXME: We avoid returning a position where the renderer can't accept the caret.
-        if (r->isText() && toRenderText(r)->renderedTextLength()) {
+        if (r->isText() && toLayoutText(r)->renderedTextLength()) {
             ASSERT_WITH_SECURITY_IMPLICATION(n->isTextNode());
-            int length = toRenderText(r)->textLength();
+            int length = toLayoutText(r)->textLength();
             type = Position::PositionIsOffsetInAnchor;
             if (style->preserveNewline()) {
-                RenderText* text = toRenderText(r);
+                LayoutText* text = toLayoutText(r);
                 int o = n == startNode ? offset : 0;
                 for (int i = o; i < length; ++i) {
                     if ((*text)[i] == '\n')