Use refs for GraphicsContext

third_party/WebKit/Source/core/paint/VideoPainter.cpp

Index: third_party/WebKit/Source/core/paint/VideoPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/VideoPainter.cpp b/third_party/WebKit/Source/core/paint/VideoPainter.cpp
index a19f3797dfcc61ecbb1dea9851ef718e8e67ffa3..2f9d1c4a20f624a42e70c9425c7453fb05f81fee 100644
--- a/third_party/WebKit/Source/core/paint/VideoPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/VideoPainter.cpp
@@ -29,26 +29,26 @@ void VideoPainter::paintReplaced(const PaintInfo& paintInfo, const LayoutPoint&
         return;
     rect.moveBy(paintOffset);
 
-    GraphicsContext* context = paintInfo.context;
+    GraphicsContext& context = paintInfo.context;
     LayoutRect contentRect = m_layoutVideo.contentBoxRect();
     contentRect.moveBy(paintOffset);
 
     Optional<ClipRecorder> clipRecorder;
     if (!contentRect.contains(rect)) {
-        clipRecorder.emplace(*context, m_layoutVideo, paintInfo.displayItemTypeForClipping(), contentRect);
+        clipRecorder.emplace(context, m_layoutVideo, paintInfo.displayItemTypeForClipping(), contentRect);
     }
 
-    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*context, m_layoutVideo, paintInfo.phase, paintOffset))
+    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, m_layoutVideo, paintInfo.phase, paintOffset))
         return;
 
-    LayoutObjectDrawingRecorder drawingRecorder(*context, m_layoutVideo, paintInfo.phase, contentRect, paintOffset);
+    LayoutObjectDrawingRecorder drawingRecorder(context, m_layoutVideo, paintInfo.phase, contentRect, paintOffset);
 
     if (displayingPoster) {
         ImagePainter(m_layoutVideo).paintIntoRect(context, rect);
     } else if ((paintInfo.globalPaintFlags() & GlobalPaintFlattenCompositingLayers) || !m_layoutVideo.acceleratedRenderingInUse()) {
-        SkPaint videoPaint = context->fillPaint();
+        SkPaint videoPaint = context.fillPaint();
         videoPaint.setColor(SK_ColorBLACK);
-        m_layoutVideo.videoElement()->paintCurrentFrame(context->canvas(), pixelSnappedIntRect(rect), &videoPaint);
+        m_layoutVideo.videoElement()->paintCurrentFrame(context.canvas(), pixelSnappedIntRect(rect), &videoPaint);
     }
 }