Remove most of Widget (FrameViewBase) class from HTMLPlugInElement.

third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp b/third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp
index 38f25b8d40c2e9b8f7c4e067aebde7f41c9bd171..646d51738775a046b0d490e0c9c1f4c960005359 100644
--- a/third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp
@@ -288,6 +288,20 @@ FrameViewBase* HTMLFrameOwnerElement::ownedWidget() const {
   return m_widget.get();
 }
 
+void HTMLFrameOwnerElement::setPlugin(PluginView* pluginView) {
+  this->setWidget(pluginView);
+}
+
+PluginView* HTMLFrameOwnerElement::releasePlugin() {
+  DCHECK(!m_widget || m_widget->isPluginView());

[haraken, 2017/03/20 03:06:35]

I'd use CHECK until we completely remove FrameViewBase (to catch some unexpected
programming error).

[joelhockey, 2017/03/20 03:54:29]

I have changed to use toPluginViewOrDie which does the CHECK.

I have moved these 3 methods to HTMLPlugInElement.

+  return toPluginView(this->releaseWidget());
+}
+
+PluginView* HTMLFrameOwnerElement::ownedPlugin() const {
+  DCHECK(!m_widget || m_widget->isPluginView());

[haraken, 2017/03/20 03:06:35]

Ditto.

[joelhockey, 2017/03/20 03:54:29]

Done

+  return toPluginView(this->ownedWidget());
+}
+
 bool HTMLFrameOwnerElement::loadOrRedirectSubframe(
     const KURL& url,
     const AtomicString& frameName,