Address regression bug report, revert the PaintInfo rect member function.

Source/core/rendering/RenderBlock.cpp

Index: Source/core/rendering/RenderBlock.cpp
diff --git a/Source/core/rendering/RenderBlock.cpp b/Source/core/rendering/RenderBlock.cpp
index 92358e08a711bf3a7a7e84072b31c97d3e3333ce..12adb978621ab50c1bb6014d33240d4d381e6946 100644
--- a/Source/core/rendering/RenderBlock.cpp
+++ b/Source/core/rendering/RenderBlock.cpp
@@ -2906,7 +2906,7 @@ void RenderBlock::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
         flipForWritingMode(overflowBox);
         overflowBox.inflate(maximalOutlineSize(paintInfo.phase));
         overflowBox.moveBy(adjustedPaintOffset);
-        if (!overflowBox.intersects(paintInfo.rect()))
+        if (!overflowBox.intersects(paintInfo.rect))
             return;
     }
 
@@ -2925,7 +2925,7 @@ void RenderBlock::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
     // z-index.  We paint after we painted the background/border, so that the scrollbars will
     // sit above the background/border.
     if (hasOverflowClip() && style()->visibility() == VISIBLE && (phase == PaintPhaseBlockBackground || phase == PaintPhaseChildBlockBackground) && paintInfo.shouldPaintWithinRoot(this) && !paintInfo.paintRootBackgroundOnly())
-        layer()->paintOverflowControls(paintInfo.context, roundedIntPoint(adjustedPaintOffset), paintInfo.rect());
+        layer()->paintOverflowControls(paintInfo.context, roundedIntPoint(adjustedPaintOffset), paintInfo.rect);
 }
 
 void RenderBlock::paintColumnRules(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
@@ -3040,9 +3040,9 @@ void RenderBlock::paintColumnContents(PaintInfo& paintInfo, const LayoutPoint& p
         }
         colRect.moveBy(paintOffset);
         PaintInfo info(paintInfo);
-        info.rect().intersect(pixelSnappedIntRect(colRect));
+        info.rect.intersect(pixelSnappedIntRect(colRect));
 
-        if (!info.rect().isEmpty()) {
+        if (!info.rect.isEmpty()) {
             GraphicsContextStateSaver stateSaver(*context);
             LayoutRect clipRect(colRect);
 
@@ -3131,9 +3131,9 @@ void RenderBlock::paintCaret(PaintInfo& paintInfo, const LayoutPoint& paintOffse
         return;
 
     if (type == CursorCaret)
-        frame()->selection()->paintCaret(paintInfo.context, paintOffset, paintInfo.rect());
+        frame()->selection()->paintCaret(paintInfo.context, paintOffset, paintInfo.rect);
     else
-        frame()->page()->dragCaretController().paintDragCaret(frame(), paintInfo.context, paintOffset, paintInfo.rect());
+        frame()->page()->dragCaretController().paintDragCaret(frame(), paintInfo.context, paintOffset, paintInfo.rect);
 }
 
 void RenderBlock::paintObject(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
@@ -3543,8 +3543,8 @@ GapRects RenderBlock::inlineSelectionGaps(RenderBlock* rootBlock, const LayoutPo
         LayoutRect logicalRect(curr->logicalLeft(), selTop, curr->logicalWidth(), selTop + selHeight);
         logicalRect.move(isHorizontalWritingMode() ? offsetFromRootBlock : offsetFromRootBlock.transposedSize());
         LayoutRect physicalRect = rootBlock->logicalRectToPhysicalRect(rootBlockPhysicalPosition, logicalRect);
-        if (!paintInfo || (isHorizontalWritingMode() && physicalRect.y() < paintInfo->rect().maxY() && physicalRect.maxY() > paintInfo->rect().y())
-            || (!isHorizontalWritingMode() && physicalRect.x() < paintInfo->rect().maxX() && physicalRect.maxX() > paintInfo->rect().x()))
+        if (!paintInfo || (isHorizontalWritingMode() && physicalRect.y() < paintInfo->rect.maxY() && physicalRect.maxY() > paintInfo->rect.y())
+            || (!isHorizontalWritingMode() && physicalRect.x() < paintInfo->rect.maxX() && physicalRect.maxX() > paintInfo->rect.x()))
             result.unite(curr->lineSelectionGap(rootBlock, rootBlockPhysicalPosition, offsetFromRootBlock, selTop, selHeight, paintInfo));
 
         lastSelectedLine = curr;