Emit error events if the loading of an object element failed

third_party/WebKit/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 73 matching lines @@
   bool CanProcessDrag() const override;
   bool WantsWheelEvents() override;
   void UpdateAllLifecyclePhases() override;
   void InvalidatePaint() override { IssuePaintInvalidations(); }
   void InvalidateRect(const IntRect&);
   void SetFocused(bool, WebFocusType) override;
   void HandleEvent(Event*) override;
   void FrameRectsChanged() override;
   void GeometryMayHaveChanged() override;
   bool IsPluginContainer() const override { return true; }
+  bool IsErrorplaceholder() override;
   void EventListenersRemoved() override;
 
   // FrameOrPlugin methods
   void SetFrameRect(const IntRect& frame_rect) override {
     frame_rect_ = frame_rect;
   }
   const IntRect& FrameRect() const override { return frame_rect_; }
   void Paint(GraphicsContext&, const CullRect&) const override;
   void Show() override;
   void Hide() override;
@@ skipping 130 matching lines @@
 // WebPluginContainerImpl is the only subclass of WebPluginContainer.
 DEFINE_TYPE_CASTS(WebPluginContainerImpl,
                   WebPluginContainer,
                   container,
                   true,
                   true);
 
 }  // namespace blink
 
 #endif