Fix display list canvas fallback to GPU accelerated mode

Source/platform/graphics/RecordingImageBufferSurface.cpp

Index: Source/platform/graphics/RecordingImageBufferSurface.cpp
diff --git a/Source/platform/graphics/RecordingImageBufferSurface.cpp b/Source/platform/graphics/RecordingImageBufferSurface.cpp
index c2575d3d5e5b0ac129e7a2781a8522142c862450..179158af192a0743ba27a13afd129b33b43da803 100644
--- a/Source/platform/graphics/RecordingImageBufferSurface.cpp
+++ b/Source/platform/graphics/RecordingImageBufferSurface.cpp
@@ -103,6 +103,7 @@ void RecordingImageBufferSurface::fallBackToRasterCanvas()
     if (m_imageBuffer) {
         m_imageBuffer->context()->setRegionTrackingMode(GraphicsContext::RegionTrackingDisabled);
         m_imageBuffer->context()->resetCanvas(m_fallbackSurface->canvas());
+        m_imageBuffer->context()->setAccelerated(m_fallbackSurface->isAccelerated());
     }
 }