Use refs for GraphicsContext

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

Index: third_party/WebKit/Source/core/paint/FieldsetPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/FieldsetPainter.cpp b/third_party/WebKit/Source/core/paint/FieldsetPainter.cpp
index b5916031833aaf5106f20ddac2965722c466fed4..fdd71297704cedddaafadace5d8f6f359aef9ffe 100644
--- a/third_party/WebKit/Source/core/paint/FieldsetPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/FieldsetPainter.cpp
@@ -24,7 +24,7 @@ void FieldsetPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, c
     if (!legend)
         return BoxPainter(m_layoutFieldset).paintBoxDecorationBackground(paintInfo, paintOffset);
 
-    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutFieldset, paintInfo.phase, paintOffset))
+    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutFieldset, paintInfo.phase, paintOffset))
         return;
 
     // FIXME: We need to work with "rl" and "bt" block flow directions.  In those
@@ -40,7 +40,7 @@ void FieldsetPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, c
         paintRect.setX(paintRect.x() + xOff);
     }
 
-    LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutFieldset, paintInfo.phase, paintRect, paintOffset);
+    LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutFieldset, paintInfo.phase, paintRect, paintOffset);
     BoxDecorationData boxDecorationData(m_layoutFieldset);
 
     if (boxDecorationData.bleedAvoidance == BackgroundBleedNone)
@@ -52,8 +52,8 @@ void FieldsetPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, c
         return;
 
     // Create a clipping region around the legend and paint the border as normal
-    GraphicsContext* graphicsContext = paintInfo.context;
-    GraphicsContextStateSaver stateSaver(*graphicsContext);
+    GraphicsContext& graphicsContext = paintInfo.context;
+    GraphicsContextStateSaver stateSaver(graphicsContext);
 
     // FIXME: We need to work with "rl" and "bt" block flow directions.  In those
     // cases the legend is embedded in the right and bottom borders respectively.
@@ -61,11 +61,11 @@ void FieldsetPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, c
     if (m_layoutFieldset.style()->isHorizontalWritingMode()) {
         LayoutUnit clipTop = paintRect.y();
         LayoutUnit clipHeight = max(static_cast<LayoutUnit>(m_layoutFieldset.style()->borderTopWidth()), legend->size().height() - ((legend->size().height() - m_layoutFieldset.borderTop()) / 2));
-        graphicsContext->clipOut(pixelSnappedIntRect(paintRect.x() + legend->location().x(), clipTop, legend->size().width(), clipHeight));
+        graphicsContext.clipOut(pixelSnappedIntRect(paintRect.x() + legend->location().x(), clipTop, legend->size().width(), clipHeight));
     } else {
         LayoutUnit clipLeft = paintRect.x();
         LayoutUnit clipWidth = max(static_cast<LayoutUnit>(m_layoutFieldset.style()->borderLeftWidth()), legend->size().width());
-        graphicsContext->clipOut(pixelSnappedIntRect(clipLeft, paintRect.y() + legend->location().y(), clipWidth, legend->size().height()));
+        graphicsContext.clipOut(pixelSnappedIntRect(clipLeft, paintRect.y() + legend->location().y(), clipWidth, legend->size().height()));
     }
 
     BoxPainter::paintBorder(m_layoutFieldset, paintInfo, paintRect, m_layoutFieldset.styleRef());
@@ -81,7 +81,7 @@ void FieldsetPainter::paintMask(const PaintInfo& paintInfo, const LayoutPoint& p
     if (!legend)
         return BoxPainter(m_layoutFieldset).paintMask(paintInfo, paintOffset);
 
-    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutFieldset, paintInfo.phase, paintOffset))
+    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutFieldset, paintInfo.phase, paintOffset))
         return;
 
     // FIXME: We need to work with "rl" and "bt" block flow directions.  In those
@@ -97,7 +97,7 @@ void FieldsetPainter::paintMask(const PaintInfo& paintInfo, const LayoutPoint& p
         paintRect.move(xOff, 0);
     }
 
-    LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutFieldset, paintInfo.phase, paintRect, paintOffset);
+    LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutFieldset, paintInfo.phase, paintRect, paintOffset);
     BoxPainter(m_layoutFieldset).paintMaskImages(paintInfo, paintRect);
 }