Merge RenderWidget into single subclass, RenderPart

Source/core/page/EventHandler.cpp

Index: Source/core/page/EventHandler.cpp
diff --git a/Source/core/page/EventHandler.cpp b/Source/core/page/EventHandler.cpp
index 0ebaf637de48208ea8abef9b6889e0b2f92654d2..01aa73c82f71b75a3898418e63fcd4e7886ef891 100644
--- a/Source/core/page/EventHandler.cpp
+++ b/Source/core/page/EventHandler.cpp
@@ -79,9 +79,9 @@
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/RenderFlowThread.h"
 #include "core/rendering/RenderLayer.h"
+#include "core/rendering/RenderPart.h"
 #include "core/rendering/RenderTextControlSingleLine.h"
 #include "core/rendering/RenderView.h"
-#include "core/rendering/RenderWidget.h"
 #include "core/rendering/style/RenderStyle.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "platform/PlatformGestureEvent.h"
@@ -957,7 +957,7 @@ static LocalFrame* subframeForTargetNode(Node* node)
     if (isHTMLFrameElementBase(node) && toHTMLFrameElementBase(node)->contentFrame() && toHTMLFrameElementBase(node)->contentFrame()->isRemoteFrameTemporary())
         return 0;
 
-    Widget* widget = toRenderWidget(renderer)->widget();
+    Widget* widget = toRenderPart(renderer)->widget();
     if (!widget || !widget->isFrameView())
         return 0;
 
@@ -1992,7 +1992,7 @@ bool EventHandler::handleWheelEvent(const PlatformWheelEvent& event)
         RenderObject* target = node->renderer();
 
         if (isOverWidget && target && target->isWidget()) {
-            Widget* widget = toRenderWidget(target)->widget();
+            Widget* widget = toRenderPart(target)->widget();
             if (widget && passWheelEventToWidget(event, widget))
                 RETURN_WHEEL_EVENT_HANDLED();
         }
@@ -2377,7 +2377,7 @@ bool EventHandler::passScrollGestureEventToWidget(const PlatformGestureEvent& ge
     if (!renderer || !renderer->isWidget())
         return false;
 
-    Widget* widget = toRenderWidget(renderer)->widget();
+    Widget* widget = toRenderPart(renderer)->widget();
 
     if (!widget || !widget->isFrameView())
         return false;