Address regression bug report, revert the PaintInfo rect member function.

Source/core/rendering/svg/SVGRenderingContext.cpp

 /*
  * Copyright (C) 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2009-2010. 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
@@ skipping 46 matching lines @@
     ASSERT(m_object && m_paintInfo);
 
     if (m_renderingFlags & PostApplyResources) {
         ASSERT(m_masker || m_clipper || m_filter);
         ASSERT(SVGResourcesCache::cachedResourcesForRenderObject(m_object));
 
         if (m_filter) {
             ASSERT(SVGResourcesCache::cachedResourcesForRenderObject(m_object)->filter() == m_filter);
             m_filter->postApplyResource(m_object, m_paintInfo->context, ApplyToDefaultMode, 0, 0);
             m_paintInfo->context = m_savedContext;
-            m_paintInfo->setRect(m_savedPaintRect);
+            m_paintInfo->rect = m_savedPaintRect;
         }
 
         if (m_clipper) {
             ASSERT(SVGResourcesCache::cachedResourcesForRenderObject(m_object)->clipper() == m_clipper);
             m_clipper->postApplyResource(m_object, m_paintInfo->context, ApplyToDefaultMode, 0, 0);
         }
 
         if (m_masker) {
             ASSERT(SVGResourcesCache::cachedResourcesForRenderObject(m_object)->masker() == m_masker);
             m_masker->postApplyResource(m_object, m_paintInfo->context, ApplyToDefaultMode, 0, 0);
@@ skipping 83 matching lines @@
         if (!clipper->applyResource(m_object, style, m_paintInfo->context, ApplyToDefaultMode))
             return;
         m_clipper = clipper;
         m_renderingFlags |= PostApplyResources;
     }
 
     if (!isRenderingMask) {
         m_filter = resources->filter();
         if (m_filter) {
             m_savedContext = m_paintInfo->context;
-            m_savedPaintRect = m_paintInfo->rect();
+            m_savedPaintRect = m_paintInfo->rect;
             // Return with false here may mean that we don't need to draw the content
             // (because it was either drawn before or empty) but we still need to apply the filter.
             m_renderingFlags |= PostApplyResources;
             if (!m_filter->applyResource(m_object, style, m_paintInfo->context, ApplyToDefaultMode))
                 return;
 
             // Since we're caching the resulting bitmap and do not invalidate it on repaint rect
             // changes, we need to paint the whole filter region. Otherwise, elements not visible
             // at the time of the initial paint (due to scrolling, window size, etc.) will never
             // be drawn.
-            m_paintInfo->setRect(IntRect(m_filter->drawingRegion(m_object)));
+            m_paintInfo->rect = IntRect(m_filter->drawingRegion(m_object));
         }
     }
 
     m_renderingFlags |= RenderingPrepared;
 }
 
 static AffineTransform& currentContentTransformation()
 {
     DEFINE_STATIC_LOCAL(AffineTransform, s_currentContentTransformation, ());
     return s_currentContentTransformation;
@@ skipping 144 matching lines @@
             toRenderSVGImage(m_object)->paintForeground(bufferedInfo);
         } else
             return false;
     }
 
     m_paintInfo->context->drawImageBuffer(imageBuffer.get(), boundingBox);
     return true;
 }
 
 }