Use refs for GraphicsContext

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

Index: third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp b/third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp
index e94252bf39b3dec21d3d11824f352fe0dfc7058a..9f81da62859f183ac1e10a9d9ba9d81ed0c8bbcf 100644
--- a/third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp
@@ -30,10 +30,10 @@ void FileUploadControlPainter::paintObject(const PaintInfo& paintInfo, const Lay
             m_layoutFileUploadControl.size() + LayoutSize(0, -m_layoutFileUploadControl.borderWidth() + buttonShadowHeight)));
         if (clipRect.isEmpty())
             return;
-        clipRecorder.emplace(*paintInfo.context, m_layoutFileUploadControl, DisplayItem::ClipFileUploadControlRect, LayoutRect(clipRect));
+        clipRecorder.emplace(paintInfo.context, m_layoutFileUploadControl, DisplayItem::ClipFileUploadControlRect, LayoutRect(clipRect));
     }
 
-    if (paintInfo.phase == PaintPhaseForeground && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutFileUploadControl, paintInfo.phase, paintOffset)) {
+    if (paintInfo.phase == PaintPhaseForeground && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutFileUploadControl, paintInfo.phase, paintOffset)) {
         const String& displayedFilename = m_layoutFileUploadControl.fileTextValue();
         const Font& font = m_layoutFileUploadControl.style()->font();
         TextRun textRun = constructTextRun(font, displayedFilename, m_layoutFileUploadControl.styleRef(), RespectDirection | RespectDirectionOverride);
@@ -67,9 +67,9 @@ void FileUploadControlPainter::paintObject(const PaintInfo& paintInfo, const Lay
             textWidth, m_layoutFileUploadControl.style()->fontMetrics().height());
 
         // Draw the filename.
-        LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutFileUploadControl, paintInfo.phase, textRunPaintInfo.bounds, paintOffset);
-        paintInfo.context->setFillColor(m_layoutFileUploadControl.resolveColor(CSSPropertyColor));
-        paintInfo.context->drawBidiText(font, textRunPaintInfo, FloatPoint(roundToInt(textX), roundToInt(textY)));
+        LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutFileUploadControl, paintInfo.phase, textRunPaintInfo.bounds, paintOffset);
+        paintInfo.context.setFillColor(m_layoutFileUploadControl.resolveColor(CSSPropertyColor));
+        paintInfo.context.drawBidiText(font, textRunPaintInfo, FloatPoint(roundToInt(textX), roundToInt(textY)));
     }
 
     // Paint the children.