Rename platform/Widget to platform/FrameViewBase in core.

third_party/WebKit/Source/core/layout/LayoutTreeAsText.cpp

Index: third_party/WebKit/Source/core/layout/LayoutTreeAsText.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutTreeAsText.cpp b/third_party/WebKit/Source/core/layout/LayoutTreeAsText.cpp
index dc3c3d7c25a217a7ec57f52b0527d8400f05d230..0ccaf12b22abf087a9d7135db196ca44672dfd6e 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTreeAsText.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutTreeAsText.cpp
@@ -526,9 +526,9 @@ void write(TextStream& ts,
   }
 
   if (o.isLayoutPart()) {
-    Widget* widget = toLayoutPart(o).widget();
-    if (widget && widget->isFrameView()) {
-      FrameView* view = toFrameView(widget);
+    FrameViewBase* frameViewBase = toLayoutPart(o).widget();
+    if (frameViewBase && frameViewBase->isFrameView()) {
+      FrameView* view = toFrameView(frameViewBase);
       LayoutViewItem rootItem = view->layoutViewItem();
       if (!rootItem.isNull()) {
         rootItem.updateStyleAndLayout();