Merge RenderWidget into single subclass, RenderPart

Source/web/tests/ScrollingCoordinatorChromiumTest.cpp

Index: Source/web/tests/ScrollingCoordinatorChromiumTest.cpp
diff --git a/Source/web/tests/ScrollingCoordinatorChromiumTest.cpp b/Source/web/tests/ScrollingCoordinatorChromiumTest.cpp
index c6d46af9f77c5ab0a038a45046e86eae63239205..64bf0eb1b02dffea4361d2483ce2f4642d15d51c 100644
--- a/Source/web/tests/ScrollingCoordinatorChromiumTest.cpp
+++ b/Source/web/tests/ScrollingCoordinatorChromiumTest.cpp
@@ -27,8 +27,8 @@
 #include "core/page/scrolling/ScrollingCoordinator.h"
 
 #include "core/page/Page.h"
+#include "core/rendering/RenderPart.h"
 #include "core/rendering/RenderView.h"
-#include "core/rendering/RenderWidget.h"
 #include "core/rendering/compositing/CompositedLayerMapping.h"
 #include "core/rendering/compositing/RenderLayerCompositor.h"
 #include "core/testing/URLTestHelpers.h"
@@ -398,12 +398,12 @@ TEST_F(ScrollingCoordinatorChromiumTest, iframeScrolling)
     ASSERT_TRUE(renderer);
     ASSERT_TRUE(renderer->isWidget());
 
-    RenderWidget* renderWidget = toRenderWidget(renderer);
-    ASSERT_TRUE(renderWidget);
-    ASSERT_TRUE(renderWidget->widget());
-    ASSERT_TRUE(renderWidget->widget()->isFrameView());
+    RenderPart* renderPart = toRenderPart(renderer);
+    ASSERT_TRUE(renderPart);
+    ASSERT_TRUE(renderPart->widget());
+    ASSERT_TRUE(renderPart->widget()->isFrameView());
 
-    FrameView* innerFrameView = toFrameView(renderWidget->widget());
+    FrameView* innerFrameView = toFrameView(renderPart->widget());
     RenderView* innerRenderView = innerFrameView->renderView();
     ASSERT_TRUE(innerRenderView);
 
@@ -442,12 +442,12 @@ TEST_F(ScrollingCoordinatorChromiumTest, rtlIframe)
     ASSERT_TRUE(renderer);
     ASSERT_TRUE(renderer->isWidget());
 
-    RenderWidget* renderWidget = toRenderWidget(renderer);
-    ASSERT_TRUE(renderWidget);
-    ASSERT_TRUE(renderWidget->widget());
-    ASSERT_TRUE(renderWidget->widget()->isFrameView());
+    RenderPart* renderPart = toRenderPart(renderer);
+    ASSERT_TRUE(renderPart);
+    ASSERT_TRUE(renderPart->widget());
+    ASSERT_TRUE(renderPart->widget()->isFrameView());
 
-    FrameView* innerFrameView = toFrameView(renderWidget->widget());
+    FrameView* innerFrameView = toFrameView(renderPart->widget());
     RenderView* innerRenderView = innerFrameView->renderView();
     ASSERT_TRUE(innerRenderView);