Introduce isHTMLAnchorElement and toHTMLAnchorElement

Source/core/rendering/RenderObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 15 matching lines @@
 
 #include "config.h"
 #include "core/rendering/RenderObject.h"
 
 #include "HTMLNames.h"
 #include "core/accessibility/AXObjectCache.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/editing/EditingBoundary.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/htmlediting.h"
+#include "core/html/HTMLAnchorElement.h"
 #include "core/html/HTMLElement.h"
 #include "core/page/EventHandler.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameView.h"
 #include "core/page/Page.h"
 #include "core/page/Settings.h"
 #include "core/page/animation/AnimationController.h"
 #include "core/platform/graphics/FloatQuad.h"
 #include "core/platform/graphics/GraphicsContext.h"
 #include "core/platform/graphics/transforms/TransformState.h"
@@ skipping 2807 matching lines @@
             if (currDecs & TextDecorationLineThrough) {
                 decorations &= ~TextDecorationLineThrough;
                 linethrough = resultColor;
             }
         }
         if (curr->isRubyText())
             return;
         curr = curr->parent();
         if (curr && curr->isAnonymousBlock() && toRenderBlock(curr)->continuation())
             curr = toRenderBlock(curr)->continuation();
-    } while (curr && decorations && (!quirksMode || !curr->node() ||
-                                     (!curr->node()->hasTagName(aTag) && !curr->node()->hasTagName(fontTag))));
+    } while (curr && decorations && (!quirksMode || !curr->node() || (!isHTMLAnchorElement(curr->node()) && !curr->node()->hasTagName(fontTag))));
 
     // If we bailed out, use the element we bailed out at (typically a <font> or <a> element).
     if (decorations && curr) {
         styleToUse = curr->style(firstlineStyle);
         resultColor = decorationColor(styleToUse);
         if (decorations & TextDecorationUnderline)
             underline = resultColor;
         if (decorations & TextDecorationOverline)
             overline = resultColor;
         if (decorations & TextDecorationLineThrough)
@@ skipping 362 matching lines @@
 {
     if (object1) {
         const WebCore::RenderObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif