Remove layoutObject() dependency from HTMLPlugInElement::layoutObjectIsFocusable().

third_party/WebKit/Source/core/layout/LayoutEmbeddedObject.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 18 matching lines @@
 
 class TextRun;
 
 // LayoutObject for embeds and objects, often, but not always, rendered via plugins.
 // For example, <embed src="foo.html"> does not invoke a plugin.
 class LayoutEmbeddedObject : public LayoutPart {
 public:
     LayoutEmbeddedObject(Element*);
     ~LayoutEmbeddedObject() override;
 
-    enum PluginUnavailabilityReason {
+    enum PluginAvailability {
+        PluginAvailable,
         PluginMissing,
         PluginBlockedByContentSecurityPolicy,
     };
-    void setPluginUnavailabilityReason(PluginUnavailabilityReason);
+    void setPluginAvailability(PluginAvailability);
     bool showsUnavailablePluginIndicator() const;
 
     const char* name() const override { return "LayoutEmbeddedObject"; }
 
     const String& unavailablePluginReplacementText() const { return m_unavailablePluginReplacementText; }
 
 private:
     void paintContents(const PaintInfo&, const LayoutPoint&) const final;
     void paintReplaced(const PaintInfo&, const LayoutPoint&) const final;
     void paint(const PaintInfo&, const LayoutPoint&) const final;
 
     void layout() final;
     PaintInvalidationReason invalidatePaintIfNeeded(const PaintInvalidationState&) final;
 
     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectEmbeddedObject || LayoutPart::isOfType(type); }
     LayoutReplaced* embeddedReplacedContent() const final;
 
     PaintLayerType layerTypeRequired() const final;
 
     ScrollResult scroll(ScrollGranularity, const FloatSize&) final;
 
     CompositingReasons additionalCompositingReasons() const override;
 
-    bool m_showsUnavailablePluginIndicator;
-    PluginUnavailabilityReason m_pluginUnavailabilityReason;
+    PluginAvailability m_pluginAvailability = PluginAvailable;
     String m_unavailablePluginReplacementText;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutEmbeddedObject, isEmbeddedObject());
 
 } // namespace blink
 
 #endif // LayoutEmbeddedObject_h