BrowserPlugin/WebView - Move plugin lifetime to DOM

Source/core/html/HTMLFrameElementBase.cpp

Index: Source/core/html/HTMLFrameElementBase.cpp
diff --git a/Source/core/html/HTMLFrameElementBase.cpp b/Source/core/html/HTMLFrameElementBase.cpp
index 87abc68c5568c666593a5d08c5e14ac1973c4da4..76537f50ffcc6d3a73665a4391593ea20581cfcc 100644
--- a/Source/core/html/HTMLFrameElementBase.cpp
+++ b/Source/core/html/HTMLFrameElementBase.cpp
@@ -158,10 +158,10 @@ void HTMLFrameElementBase::attach(const AttachContext& context)
 {
     HTMLFrameOwnerElement::attach(context);
 
-    if (RenderPart* part = renderPart()) {
+    if (renderPart()) {
         if (Frame* frame = contentFrame()) {
             if (frame->isLocalFrame())
-                part->setWidget(toLocalFrame(frame)->view());
+                setWidget(toLocalFrame(frame)->view());
         }
     }
 }