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

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

Index: third_party/WebKit/Source/core/layout/LayoutEmbeddedObject.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutEmbeddedObject.h b/third_party/WebKit/Source/core/layout/LayoutEmbeddedObject.h
index fc45dbb5914da3f3b4c28d4b89a04babe9a6b745..1ac55d0b2ca8dc7a9b9ef67ffb79639073c4047d 100644
--- a/third_party/WebKit/Source/core/layout/LayoutEmbeddedObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutEmbeddedObject.h
@@ -36,7 +36,9 @@ public:
     LayoutEmbeddedObject(Element*);
     ~LayoutEmbeddedObject() override;
 
+    // TODO(tkent): Rename this to PluginAvailability.

[kochi, 2016/07/21 02:09:56]

Why not now?
Is this making this change too large?

It is okay to split the patch smaller, though, but we don't have good reason to
keep this TODO for a long time.

[tkent, 2016/07/21 02:21:07]

ok, will do.

     enum PluginUnavailabilityReason {
+        PluginAvailable,
         PluginMissing,
         PluginBlockedByContentSecurityPolicy,
     };
@@ -64,8 +66,7 @@ private:
 
     CompositingReasons additionalCompositingReasons() const override;
 
-    bool m_showsUnavailablePluginIndicator;
-    PluginUnavailabilityReason m_pluginUnavailabilityReason;
+    PluginUnavailabilityReason m_pluginUnavailabilityReason = PluginAvailable;
     String m_unavailablePluginReplacementText;
 };