Avoid overflow recalc on tables if sections need rebuild

third_party/WebKit/Source/core/layout/LayoutTableCellTest.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 102 matching lines @@
 TEST_F(LayoutTableCellTest, BackgroundIsKnownToBeOpaqueWithLayerAndCollapsedBorder)
 {
     setBodyInnerHTML("<table style='border-collapse: collapse'>"
         "<td style='will-change: transform; background-color: blue'>Cell></td>"
         "</table>");
 
     LayoutTableCell* cell = toLayoutTableCell(document().body()->firstChild()->firstChild()->firstChild()->firstChild()->layoutObject());
     EXPECT_FALSE(cell->backgroundIsKnownToBeOpaqueInRect(LayoutRect(0, 0, 1, 1)));
 }
 
+TEST_F(LayoutTableCellTest, RepaintContentInTableCell)
+{
+    const char* bodyContent = "<table id='table' style='position: absolute; left: 1px;'>"
+        "<tr>"
+        "<td id='cell'>"
+        "<div style='display: inline-block; height: 20px; width: 20px'>"
+        "</td>"
+        "</tr>"
+        "</table>";
+    setBodyInnerHTML(bodyContent);
+
+    // Create an overflow recalc.
+    Element* cell = document().getElementById(AtomicString("cell"));
+    cell->setAttribute(HTMLNames::styleAttr, "outline: 1px solid black;");
+    // Trigger a layout on the table that doesn't require cell layout.
+    Element* table = document().getElementById(AtomicString("table"));
+    table->setAttribute(HTMLNames::styleAttr, "position: absolute; left: 2px;");
+    document().view()->updateAllLifecyclePhases();
+
+    // Check that overflow was calculated on the cell.
+    LayoutBlock* inputBlock = toLayoutBlock(getLayoutObjectByElementId("cell"));
+    LayoutRect rect = inputBlock->localOverflowRectForPaintInvalidation();
+    EXPECT_EQ(rect, LayoutRect(-1, -1, 24, 24));
+}
 } // namespace
 
 } // namespace blink