Remove FrameViewBase as base class of PluginView.

third_party/WebKit/Source/core/frame/RemoteFrameView.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/frame/RemoteFrameView.h"
 
 #include "core/dom/IntersectionObserverEntry.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/RemoteFrame.h"
@@ skipping 97 matching lines @@
     new_rect = Parent()->ConvertToRootFrame(
         ToFrameView(Parent())->ContentsToFrame(new_rect));
   remote_frame_->Client()->FrameRectsChanged(new_rect);
 
   UpdateRemoteViewportIntersection();
 }
 
 void RemoteFrameView::Hide() {
   SetSelfVisible(false);
 
-  FrameViewBase::Hide();
-
   remote_frame_->Client()->VisibilityChanged(false);
 }
 
 void RemoteFrameView::Show() {
   SetSelfVisible(true);
 
-  FrameViewBase::Show();
-
   remote_frame_->Client()->VisibilityChanged(true);
 }
 
 void RemoteFrameView::SetParentVisible(bool visible) {
   if (IsParentVisible() == visible)
     return;
 
   FrameViewBase::SetParentVisible(visible);
   if (!IsSelfVisible())
     return;
 
   remote_frame_->Client()->VisibilityChanged(IsVisible());
 }
 
 DEFINE_TRACE(RemoteFrameView) {
   visitor->Trace(remote_frame_);
   FrameViewBase::Trace(visitor);
 }
 
 }  // namespace blink