Refactoring: Generalize CachedSVGDocument for non-SVG use.

Source/core/rendering/FilterEffectRenderer.cpp

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * 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 12 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #include "config.h"
 
 #include "core/rendering/FilterEffectRenderer.h"
 
 #include "SVGNames.h"
 #include "core/dom/Document.h"
-#include "core/loader/cache/CachedSVGDocument.h"
+#include "core/loader/cache/CachedDocument.h"
 #include "core/loader/cache/CachedSVGDocumentReference.h"
 #include "core/platform/FloatConversion.h"
 #include "core/platform/graphics/ColorSpace.h"
 #include "core/platform/graphics/filters/FEColorMatrix.h"
 #include "core/platform/graphics/filters/FEComponentTransfer.h"
 #include "core/platform/graphics/filters/FEDropShadow.h"
 #include "core/platform/graphics/filters/FEGaussianBlur.h"
 #include "core/platform/graphics/filters/FEMerge.h"
 #include "core/platform/graphics/filters/SourceAlpha.h"
 #include "core/platform/graphics/filters/custom/CustomFilterGlobalContext.h"
@@ skipping 69 matching lines @@
 
 PassRefPtr<FilterEffect> FilterEffectRenderer::buildReferenceFilter(RenderObject* renderer, PassRefPtr<FilterEffect> previousEffect, ReferenceFilterOperation* filterOperation)
 {
     if (!renderer)
         return 0;
 
     Document* document = renderer->document();
     ASSERT(document);
 
     CachedSVGDocumentReference* cachedSVGDocumentReference = filterOperation->cachedSVGDocumentReference();
-    CachedSVGDocument* cachedSVGDocument = cachedSVGDocumentReference ? cachedSVGDocumentReference->document() : 0;
+    CachedDocument* cachedSVGDocument = cachedSVGDocumentReference ? cachedSVGDocumentReference->document() : 0;
 
     // If we have an SVG document, this is an external reference. Otherwise
     // we look up the referenced node in the current document.
     if (cachedSVGDocument)
         document = cachedSVGDocument->document();
 
     if (!document)
         return 0;
 
     Element* filter = document->getElementById(filterOperation->fragment());
@@ skipping 359 matching lines @@
     // Get the filtered output and draw it in place.
     m_savedGraphicsContext->drawImageBuffer(filter->output(), m_renderLayer->renderer()->style()->colorSpace(), filter->outputRect(), CompositeSourceOver);
     
     filter->clearIntermediateResults();
     
     return m_savedGraphicsContext;
 }
 
 } // namespace WebCore