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

third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp b/third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp
index 1545f8481bdc52799053f6e65d49e2709c132ec3..13e5b9b233a78b9ee60ab432b5d55f3c25ba7ad4 100644
--- a/third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp
@@ -260,7 +260,7 @@ LayoutObject* HTMLPlugInElement::createLayoutObject(const ComputedStyle& style)
         return image;
     }
 
-
+    m_pluginIsAvailable = true;
     return new LayoutEmbeddedObject(this);
 }
 
@@ -397,7 +397,7 @@ bool HTMLPlugInElement::layoutObjectIsFocusable() const
 
     if (useFallbackContent() || !HTMLFrameOwnerElement::layoutObjectIsFocusable())
         return false;
-    return layoutObject() && layoutObject()->isEmbeddedObject() && !layoutEmbeddedItem().showsUnavailablePluginIndicator();
+    return m_pluginIsAvailable;
 }
 
 bool HTMLPlugInElement::isImageType()
@@ -493,8 +493,10 @@ bool HTMLPlugInElement::loadPlugin(const KURL& url, const String& mimeType, cons
         FrameLoaderClient::DetachedPluginPolicy policy = requireLayoutObject ? FrameLoaderClient::FailOnDetachedPlugin : FrameLoaderClient::AllowDetachedPlugin;
         Widget* widget = frame->loader().client()->createPlugin(this, url, paramNames, paramValues, mimeType, loadManually, policy);
         if (!widget) {
-            if (!layoutItem.isNull() && !layoutItem.showsUnavailablePluginIndicator())
+            if (!layoutItem.isNull() && !layoutItem.showsUnavailablePluginIndicator()) {
+                m_pluginIsAvailable = false;
                 layoutItem.setPluginUnavailabilityReason(LayoutEmbeddedObject::PluginMissing);
+            }
             return false;
         }
 
@@ -555,8 +557,10 @@ bool HTMLPlugInElement::allowedToLoadObject(const KURL& url, const String& mimeT
         fastGetAttribute(HTMLNames::typeAttr);
     if (!document().contentSecurityPolicy()->allowObjectFromSource(url)
         || !document().contentSecurityPolicy()->allowPluginTypeForDocument(document(), mimeType, declaredMimeType, url)) {
-        if (LayoutEmbeddedItem layoutItem = layoutEmbeddedItem())
+        if (LayoutEmbeddedItem layoutItem = layoutEmbeddedItem()) {
+            m_pluginIsAvailable = false;
             layoutItem.setPluginUnavailabilityReason(LayoutEmbeddedObject::PluginBlockedByContentSecurityPolicy);
+        }
         return false;
     }
     // If the URL is empty, a plugin could still be instantiated if a MIME-type