BrowserPlugin/WebView - Move plugin lifetime to DOM

Source/core/frame/Frame.cpp

Index: Source/core/frame/Frame.cpp
diff --git a/Source/core/frame/Frame.cpp b/Source/core/frame/Frame.cpp
index 869c7b02933ef1aeb3d4e2f75cf7804a4e2d4b99..555b3c1f127fdcc36ea04fda605592207b8b7aa0 100644
--- a/Source/core/frame/Frame.cpp
+++ b/Source/core/frame/Frame.cpp
@@ -480,11 +480,10 @@ void Frame::createView(const IntSize& viewportSize, const Color& backgroundColor
     if (isMainFrame)
         frameView->setParentVisible(true);
 
-    if (ownerRenderer())
-        ownerRenderer()->setWidget(frameView);
-
-    if (HTMLFrameOwnerElement* owner = ownerElement())
+    if (HTMLFrameOwnerElement* owner = ownerElement()) {
+        owner->setWidget(frameView);
         view()->setCanHaveScrollbars(owner->scrollingMode() != ScrollbarAlwaysOff);
+    }
 }
 
 String Frame::layerTreeAsText(unsigned flags) const