Drop FilterDataState::Applying

Source/core/rendering/svg/RenderSVGResourceFilter.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. 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
@@ skipping 175 matching lines @@
 bool RenderSVGResourceFilter::applyResource(RenderObject* object, RenderStyle*, GraphicsContext*& context, unsigned short resourceMode)
 {
     ASSERT(object);
     ASSERT(context);
     ASSERT_UNUSED(resourceMode, resourceMode == ApplyToDefaultMode);
 
     clearInvalidationMask();
 
     if (m_filter.contains(object)) {
         FilterData* filterData = m_filter.get(object);
-        if (filterData->state == FilterData::PaintingSource || filterData->state == FilterData::Applying)
+        if (filterData->state == FilterData::PaintingSource)
             filterData->state = FilterData::CycleDetected;
-        return false; // Already built, or we're in a cycle, or we're marked for removal. Regardless, just do nothing more now.
+        return false; // Already built, or we're in a cycle. Regardless, just do nothing more now.
     }
 
     OwnPtr<FilterData> filterData(adoptPtr(new FilterData));
     FloatRect targetBoundingBox = object->objectBoundingBox();
 
     SVGFilterElement* filterElement = toSVGFilterElement(element());
     filterData->boundaries = SVGLengthContext::resolveRectangle<SVGFilterElement>(filterElement, filterElement->filterUnits()->currentValue()->enumValue(), targetBoundingBox);
     if (filterData->boundaries.isEmpty())
         return false;
 
@@ skipping 26 matching lines @@
 {
     ASSERT(object);
     ASSERT(context);
 
     FilterData* filterData = m_filter.get(object);
     if (!filterData)
         return;
 
     switch (filterData->state) {
     case FilterData::CycleDetected:
-    case FilterData::Applying:
-        // We have a cycle if we are already applying the data.
-        // This can occur due to FeImage referencing a source that makes use of the FEImage itself.
-        // This is the first place we've hit the cycle, so set the state back to PaintingSource so the return stack
-        // will continue correctly.
+        // applyResource detected a cycle. This can occur due to FeImage
+        // referencing a source that makes use of the FEImage itself. This is
+        // the first place we've hit the cycle, so set the state back to
+        // PaintingSource so the return stack will continue correctly.
         filterData->state = FilterData::PaintingSource;
         return;
 
     case FilterData::PaintingSource:
         endDeferredFilter(context, filterData);
         break;
 
     case FilterData::Built: { } // Empty
     }
 
@@ skipping 36 matching lines @@
     markAllClientLayersForInvalidation();
 }
 
 FloatRect RenderSVGResourceFilter::drawingRegion(RenderObject* object) const
 {
     FilterData* filterData = m_filter.get(object);
     return filterData ? filterData->drawingRegion : FloatRect();
 }
 
 }