BrowserPlugin/WebView - Move plugin lifetime to DOM

Source/core/rendering/RenderPart.cpp

Index: Source/core/rendering/RenderPart.cpp
diff --git a/Source/core/rendering/RenderPart.cpp b/Source/core/rendering/RenderPart.cpp
index 33db879892691d68b3f0ce64515ea8630b8b1be1..8fbdb45bb1db356b9068a386d89caad7e02058a7 100644
--- a/Source/core/rendering/RenderPart.cpp
+++ b/Source/core/rendering/RenderPart.cpp
@@ -45,18 +45,17 @@ RenderPart::RenderPart(Element* node)
 
 RenderPart::~RenderPart()
 {
-    clearWidget();
 }
 
-void RenderPart::setWidget(PassRefPtr<Widget> widget)
+void RenderPart::attachWidget(Widget* widget)
 {
-    if (widget == this->widget())
-        return;
-
-    RenderWidget::setWidget(widget);
+    RenderWidget::attachWidget(widget);
+    viewCleared();
+}
 
-    // make sure the scrollbars are set correctly for restore
-    // ### find better fix
+void RenderPart::detachWidget(Widget* widget)
+{
+    RenderWidget::detachWidget(widget);
     viewCleared();
 }