Move and rename RenderPart to LayoutPart.

Source/core/html/HTMLFrameOwnerElement.cpp

Index: Source/core/html/HTMLFrameOwnerElement.cpp
diff --git a/Source/core/html/HTMLFrameOwnerElement.cpp b/Source/core/html/HTMLFrameOwnerElement.cpp
index 64f220f08f22c2f562b3f91681841593f15d4ba8..16dd7774927464a0256a107f9a2c09cc89b10a80 100644
--- a/Source/core/html/HTMLFrameOwnerElement.cpp
+++ b/Source/core/html/HTMLFrameOwnerElement.cpp
@@ -29,11 +29,11 @@
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/layout/Layer.h"
+#include "core/layout/LayoutPart.h"
 #include "core/layout/compositing/LayerCompositor.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/plugins/PluginView.h"
-#include "core/rendering/RenderPart.h"
 #include "platform/weborigin/SecurityOrigin.h"
 
 namespace blink {
@@ -111,13 +111,13 @@ HTMLFrameOwnerElement::HTMLFrameOwnerElement(const QualifiedName& tagName, Docum
 {
 }
 
-RenderPart* HTMLFrameOwnerElement::renderPart() const
+LayoutPart* HTMLFrameOwnerElement::layoutPart() const
 {
     // HTMLObjectElement and HTMLEmbedElement may return arbitrary renderers
     // when using fallback content.
-    if (!renderer() || !renderer()->isRenderPart())
+    if (!renderer() || !renderer()->isLayoutPart())
         return nullptr;
-    return toRenderPart(renderer());
+    return toLayoutPart(renderer());
 }
 
 void HTMLFrameOwnerElement::setContentFrame(Frame& frame)
@@ -217,20 +217,20 @@ void HTMLFrameOwnerElement::setWidget(PassRefPtrWillBeRawPtr<Widget> widget)
 
     m_widget = widget;
 
-    RenderPart* renderPart = toRenderPart(renderer());
-    if (!renderPart)
+    LayoutPart* layoutPart = toLayoutPart(renderer());
+    if (!layoutPart)
         return;
 
     if (m_widget) {
-        renderPart->updateOnWidgetChange();
+        layoutPart->updateOnWidgetChange();
 
-        ASSERT(document().view() == renderPart->frameView());
-        ASSERT(renderPart->frameView());
-        moveWidgetToParentSoon(m_widget.get(), renderPart->frameView());
+        ASSERT(document().view() == layoutPart->frameView());
+        ASSERT(layoutPart->frameView());
+        moveWidgetToParentSoon(m_widget.get(), layoutPart->frameView());
     }
 
     if (AXObjectCache* cache = document().existingAXObjectCache())
-        cache->childrenChanged(renderPart);
+        cache->childrenChanged(layoutPart);
 }
 
 Widget* HTMLFrameOwnerElement::ownedWidget() const