Remove the SVG paint culling optimization

Source/core/paint/SVGTextPainter.cpp

Index: Source/core/paint/SVGTextPainter.cpp
diff --git a/Source/core/paint/SVGTextPainter.cpp b/Source/core/paint/SVGTextPainter.cpp
index 5c80177165e5aa16d99883d9556de86be56264b0..5779c840efe4888c2239ead579cea4b9d7599f84 100644
--- a/Source/core/paint/SVGTextPainter.cpp
+++ b/Source/core/paint/SVGTextPainter.cpp
@@ -8,6 +8,7 @@
 #include "core/paint/BlockPainter.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/svg/RenderSVGText.h"
+#include "core/rendering/svg/SVGRenderSupport.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 
 namespace blink {
@@ -22,6 +23,12 @@ void SVGTextPainter::paint(const PaintInfo& paintInfo)
 
     blockInfo.applyTransform(m_renderSVGText.localToParentTransform(), &stateSaver);
 
+    // When transitioning from SVG to HTML painters we need to keep the PaintInfo rect up-to-date
+    // because it can be used for clipping.
+    // FIXME: We need to find an approach that's not O(n^2).
+    const AffineTransform& transform = SVGRenderSupport::transformToRootBorderBox(m_renderSVGText, m_renderSVGText.localToParentTransform());
+    blockInfo.rect = enclosingIntRect(transform.mapRect(FloatRect(blockInfo.rect)));
+
     BlockPainter(m_renderSVGText).paint(blockInfo, LayoutPoint());
 
     // Paint the outlines, if any