Refactor DrawingRecorders to check for cached drawings earlier

Source/core/layout/LayoutScrollbarTheme.cpp

Index: Source/core/layout/LayoutScrollbarTheme.cpp
diff --git a/Source/core/layout/LayoutScrollbarTheme.cpp b/Source/core/layout/LayoutScrollbarTheme.cpp
index bb70cc78b57392071cd0162589acfa797b723074..a30eb91d994606244b3779a0c64d65c640444c97 100644
--- a/Source/core/layout/LayoutScrollbarTheme.cpp
+++ b/Source/core/layout/LayoutScrollbarTheme.cpp
@@ -113,10 +113,12 @@ IntRect LayoutScrollbarTheme::constrainTrackRectToTrackPieces(ScrollbarThemeClie
 
 void LayoutScrollbarTheme::paintScrollCorner(GraphicsContext* context, const DisplayItemClientWrapper& displayItemClient, const IntRect& cornerRect)
 {
+    if (DrawingRecorder::useCachedDrawingIfPossible(*context, displayItemClient, DisplayItem::ScrollbarCorner))
+        return;
+
     DrawingRecorder recorder(*context, displayItemClient, DisplayItem::ScrollbarCorner, cornerRect);
     // FIXME: Implement.
-    if (!recorder.canUseCachedDrawing())
-        context->fillRect(cornerRect, Color::white);
+    context->fillRect(cornerRect, Color::white);
 }
 
 void LayoutScrollbarTheme::paintScrollbarBackground(GraphicsContext* context, ScrollbarThemeClient* scrollbar)