Add a border radius property to inherit it from a parent in a fallback content

third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "core/layout/line/InlineFlowBox.h"
 
 #include "core/CSSPropertyNames.h"
 #include "core/dom/Document.h"
 #include "core/layout/HitTestResult.h"
+#include "core/layout/api/LineLayoutAPIShim.h"
 #include "core/layout/api/LineLayoutBlockFlow.h"
 #include "core/layout/api/LineLayoutBox.h"
 #include "core/layout/api/LineLayoutInline.h"
 #include "core/layout/api/LineLayoutListMarker.h"
 #include "core/layout/api/LineLayoutRubyBase.h"
 #include "core/layout/api/LineLayoutRubyRun.h"
 #include "core/layout/api/LineLayoutRubyText.h"
 #include "core/layout/line/GlyphOverflow.h"
 #include "core/layout/line/InlineTextBox.h"
 #include "core/layout/line/RootInlineBox.h"
@@ skipping 986 matching lines @@
                 break;
 
             if (culledParent.isLayoutInline() && LineLayoutInline(culledParent).hitTestCulledInline(result, locationInContainer, accumulatedOffset))
                 return true;
 
             currLayoutItem = culledParent;
         }
     }
 
     if (getLineLayoutItem().style()->hasBorderRadius()) {
+        LayoutPoint adjustedLocation = accumulatedOffset + overflowRect.location();
+        if (getLineLayoutItem().isBox() && toLayoutBox(LineLayoutAPIShim::layoutObjectFrom(getLineLayoutItem()))->hitTestClippedOutByRoundedBorder(locationInContainer, adjustedLocation))
+            return false;
+
         LayoutRect borderRect = logicalFrameRect();
         borderRect.moveBy(accumulatedOffset);
         FloatRoundedRect border = getLineLayoutItem().style()->getRoundedBorderFor(borderRect, includeLogicalLeftEdge(), includeLogicalRightEdge());
         if (!locationInContainer.intersects(border))
             return false;
     }
 
     // Now check ourselves.
     LayoutRect rect = InlineFlowBoxPainter(*this).frameRectClampedToLineTopAndBottomIfNeeded();
 
@@ skipping 267 matching lines @@
         ASSERT(child->prevOnLine() == prev);
         prev = child;
     }
     ASSERT(prev == m_lastChild);
 #endif
 }
 
 #endif
 
 } // namespace blink