Remove HTMLShadowElement.

sky/engine/core/page/FocusController.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 24 matching lines @@
 #include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/htmlediting.h" // For firstPositionInOrBeforeNode
 #include "core/events/Event.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLImageElement.h"
-#include "core/html/HTMLShadowElement.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/EventHandler.h"
 #include "core/page/Page.h"
 #include "core/frame/Settings.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/RenderLayer.h"
 #include <limits>
 
 namespace blink {
 
-static inline bool isShadowInsertionPointFocusScopeOwner(Node& node)
-{
-    return isActiveShadowInsertionPoint(node) && toHTMLShadowElement(node).olderShadowRoot();
-}
-
 // FIXME: Some of Node* return values and Node* arguments should be Element*.
 
 FocusNavigationScope::FocusNavigationScope(TreeScope* treeScope)
     : m_rootTreeScope(treeScope)
 {
     ASSERT(treeScope);
 }
 
 Node* FocusNavigationScope::rootNode() const
 {
     return &m_rootTreeScope->rootNode();
 }
 
 Element* FocusNavigationScope::owner() const
 {
     Node* root = rootNode();
     if (root->isShadowRoot()) {
         ShadowRoot* shadowRoot = toShadowRoot(root);
-        return shadowRoot->isYoungest() ? shadowRoot->host() : shadowRoot->shadowInsertionPointOfYoungerShadowRoot();
+        return shadowRoot->host();
     }
     return 0;
 }
 
 FocusNavigationScope FocusNavigationScope::focusNavigationScopeOf(Node* node)
 {
     ASSERT(node);
     Node* root = node;
     for (Node* n = node; n; n = n->parentNode())
         root = n;
     // The result is not always a ShadowRoot nor a DocumentNode since
     // a starting node is in an orphaned tree in composed shadow tree.
     return FocusNavigationScope(&root->treeScope());
 }
 
 FocusNavigationScope FocusNavigationScope::ownedByNonFocusableFocusScopeOwner(Node* node)
 {
     ASSERT(node);
-    if (isShadowHost(node))
-        return FocusNavigationScope::ownedByShadowHost(node);
-    ASSERT(isShadowInsertionPointFocusScopeOwner(*node));
-    return FocusNavigationScope::ownedByShadowInsertionPoint(toHTMLShadowElement(node));
+    return FocusNavigationScope::ownedByShadowHost(node);
 }
 
 FocusNavigationScope FocusNavigationScope::ownedByShadowHost(Node* node)
 {
     ASSERT(isShadowHost(node));
     return FocusNavigationScope(toElement(node)->shadow()->youngestShadowRoot());
 }
 
-FocusNavigationScope FocusNavigationScope::ownedByShadowInsertionPoint(HTMLShadowElement* shadowInsertionPoint)
-{
-    ASSERT(isShadowInsertionPointFocusScopeOwner(*shadowInsertionPoint));
-    return FocusNavigationScope(shadowInsertionPoint->olderShadowRoot());
-}
-
 static inline void dispatchEventsOnWindowAndFocusedNode(Document* document, bool focused)
 {
     // If we have a focused node we should dispatch blur on it before we blur the window.
     // If we have a focused node we should dispatch focus on it after we focus the window.
     // https://bugs.webkit.org/show_bug.cgi?id=27105
 
     if (!focused && document->focusedElement()) {
         RefPtr<Element> focusedElement(document->focusedElement());
         focusedElement->setFocus(false);
         focusedElement->dispatchBlurEvent(0);
@@ skipping 43 matching lines @@
     ASSERT(node);
     if (!node->isElementNode())
         return false;
     Element* element = toElement(node);
     return element->isKeyboardFocusable() && isShadowHost(element);
 }
 
 static inline bool isNonFocusableFocusScopeOwner(Node* node)
 {
     ASSERT(node);
-    return isNonKeyboardFocusableShadowHost(node) || isShadowInsertionPointFocusScopeOwner(*node);
+    return isNonKeyboardFocusableShadowHost(node);
 }
 
 static inline int adjustedTabIndex(Node* node)
 {
     ASSERT(node);
     return isNonFocusableFocusScopeOwner(node) ? 0 : node->tabIndex();
 }
 
 static inline bool shouldVisit(Node* node)
 {
@@ skipping 413 matching lines @@
 {
     if (m_isActive == active)
         return;
 
     m_isActive = active;
 
     focusedOrMainFrame()->selection().pageActivationChanged();
 }
 
 } // namespace blink