Implement a paint offset cache for slimming paint v2

Source/core/paint/BlockPainter.cpp

Index: Source/core/paint/BlockPainter.cpp
diff --git a/Source/core/paint/BlockPainter.cpp b/Source/core/paint/BlockPainter.cpp
index 4bbaa8d1b730bdf9eb9b009bf04a9f711993f33a..b31e88aa3638199ad71fe1d9a087b893d173052b 100644
--- a/Source/core/paint/BlockPainter.cpp
+++ b/Source/core/paint/BlockPainter.cpp
@@ -210,10 +210,10 @@ void BlockPainter::paintObject(const PaintInfo& paintInfo, const LayoutPoint& pa
 
     // If the caret's node's layout object's containing block is this block, and the paint action is PaintPhaseForeground,
     // then paint the caret.
-    if (paintPhase == PaintPhaseForeground && hasCaret() && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutBlock, DisplayItem::Caret)) {
+    if (paintPhase == PaintPhaseForeground && hasCaret() && !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutBlock, DisplayItem::Caret, paintOffset)) {
         LayoutRect bounds = m_layoutBlock.visualOverflowRect();
         bounds.moveBy(paintOffset);
-        LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutBlock, DisplayItem::Caret, bounds);
+        LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutBlock, DisplayItem::Caret, bounds, paintOffset);
         paintCarets(paintInfo, paintOffset);
     }
 }