Fix percent height calc for svg docs.

third_party/WebKit/Source/core/layout/svg/LayoutSVGRoot.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007, 2008, 2009 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) Research In Motion Limited 2011. 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/svg/LayoutSVGRoot.h"
 
 #include "core/frame/LocalFrame.h"
 #include "core/layout/HitTestResult.h"
 #include "core/layout/LayoutAnalyzer.h"
+#include "core/layout/LayoutView.h"
 #include "core/layout/api/LayoutPartItem.h"
 #include "core/layout/svg/LayoutSVGText.h"
 #include "core/layout/svg/SVGLayoutSupport.h"
 #include "core/layout/svg/SVGResourcesCache.h"
 #include "core/paint/PaintLayer.h"
 #include "core/paint/SVGRootPainter.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGSVGElement.h"
 #include "core/svg/graphics/SVGImage.h"
 #include "platform/LengthFunctions.h"
@@ skipping 88 matching lines @@
   // When we're embedded through SVGImage
   // (border-image/background-image/<html:img>/...) we're forced to resize to a
   // specific size.
   if (!container_size_.IsEmpty())
     return LayoutUnit(container_size_.Height());
 
   if (IsEmbeddedThroughFrameContainingSVGDocument())
     return ContainingBlock()->AvailableLogicalHeight(
         kIncludeMarginBorderPadding);
 
+  const Length& logical_height = Style()->LogicalHeight();
+  if (IsDocumentElement() && logical_height.IsPercentOrCalc()) {
+    return ValueForLength(
+        logical_height,
+        GetDocument().GetLayoutView()->ViewLogicalHeightForPercentages());
+  }
+
   return LayoutReplaced::ComputeReplacedLogicalHeight(estimated_used_width);
 }
 
 void LayoutSVGRoot::UpdateLayout() {
   DCHECK(NeedsLayout());
   LayoutAnalyzer::Scope analyzer(*this);
 
   LayoutSize old_size = Size();
   UpdateLogicalWidth();
   UpdateLogicalHeight();
@@ skipping 339 matching lines @@
       if (result.AddNodeToListBasedTestResult(GetNode(), location_in_container,
                                               bounds_rect) == kStopHitTesting)
         return true;
     }
   }
 
   return false;
 }
 
 }  // namespace blink