Delete WebPluginScrollbar and friends

Source/web/WebPluginContainerImpl.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2014 Opera Software ASA. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 35 matching lines @@
 
 namespace blink {
 
 class GestureEvent;
 class HTMLPlugInElement;
 class IntRect;
 class KeyboardEvent;
 class MouseEvent;
 class ResourceError;
 class ResourceResponse;
-class ScrollbarGroup;
 class TouchEvent;
 class WebPlugin;
 class WebPluginLoadObserver;
 class WheelEvent;
 class Widget;
 struct WebPrintParams;
 struct WebPrintPresetOptions;
 
 class WebPluginContainerImpl final : public PluginView, public WebPluginContainer, public LocalFrameLifecycleObserver {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(WebPluginContainerImpl);
@@ skipping 84 matching lines @@
     bool executeEditCommand(const WebString& name, const WebString& value);
 
     // Resource load events for the plugin's source data:
     virtual void didReceiveResponse(const ResourceResponse&) override;
     virtual void didReceiveData(const char *data, int dataLength) override;
     virtual void didFinishLoading() override;
     virtual void didFailLoading(const ResourceError&) override;
 
     void willDestroyPluginLoadObserver(WebPluginLoadObserver*);
 
-    ScrollbarGroup* scrollbarGroup();
-
-    void willStartLiveResize();
-    void willEndLiveResize();
-
     DECLARE_VIRTUAL_TRACE();
     virtual void dispose() override;
 
 #if ENABLE(OILPAN)
     virtual LocalFrame* pluginFrame() const override { return frame(); }
     virtual void shouldDisposePlugin() override;
 #endif
 
 private:
     WebPluginContainerImpl(HTMLPlugInElement*, WebPlugin*);
@@ skipping 25 matching lines @@
     WebPlugin* m_webPlugin;
     Vector<WebPluginLoadObserver*> m_pluginLoadObservers;
 
     WebLayer* m_webLayer;
 
     IntRect m_pendingInvalidationRect;
 
     // TODO(schenney) Needed while layout is still called during paint in some plugins
     bool m_isInPaint;
 
-    // The associated scrollbar group object, created lazily. Used for Pepper
-    // scrollbars.
-    OwnPtr<ScrollbarGroup> m_scrollbarGroup;
-
     TouchEventRequestType m_touchEventRequestType;
     bool m_wantsWheelEvents;
 
 #if ENABLE(OILPAN)
     // Oilpan: if true, the plugin container must dispose
     // of its plugin when being finalized.
     bool m_shouldDisposePlugin;
 #endif
 };
 
 DEFINE_TYPE_CASTS(WebPluginContainerImpl, Widget, widget, widget->isPluginContainer(), widget.isPluginContainer());
 // Unlike Widget, we need not worry about object type for container.
 // WebPluginContainerImpl is the only subclass of WebPluginContainer.
 DEFINE_TYPE_CASTS(WebPluginContainerImpl, WebPluginContainer, container, true, true);
 
 } // namespace blink
 
 #endif