Store previous painting clip rects on FragmentData.

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutTreeAsText.h"
 #include "core/layout/api/LayoutViewItem.h"
 #include "core/paint/ObjectPaintProperties.h"
 #include "core/paint/PaintLayer.h"
 #include "core/paint/PaintPropertyTreePrinter.h"
@@ skipping 272 matching lines @@
 TEST_P(PrePaintTreeWalkTest, ClipRects) {
   SetBodyInnerHTML(
       "<div id='parent' style='isolation: isolate'>"
       "  <div id='child' style='position: relative'>"
       "    <div id='grandchild' style='isolation: isolate'>"
       "      <div style='position: relative'></div>"
       "    </div>"
       "  </div>"
       "</div>");
 
-  auto* parent = GetPaintLayerByElementId("parent");
-  auto* child = GetPaintLayerByElementId("child");
-  auto* grandchild = GetPaintLayerByElementId("grandchild");
+  auto* parent = GetLayoutObjectByElementId("parent");
+  auto* child = GetLayoutObjectByElementId("child");
+  auto* grandchild = GetLayoutObjectByElementId("grandchild");
 
-  EXPECT_TRUE(parent->PreviousPaintingClipRects());
-  EXPECT_FALSE(child->PreviousPaintingClipRects());
-  EXPECT_TRUE(grandchild->PreviousPaintingClipRects());
+  EXPECT_TRUE(
+      parent->GetMutableForPainting().FirstFragment()->PreviousClipRects());
+  EXPECT_FALSE(child->PaintProperties());
+  EXPECT_TRUE(
+      grandchild->GetMutableForPainting().FirstFragment()->PreviousClipRects());
 
-  grandchild->ClearPreviousPaintingClipRects();
+  PrePaintTreeWalk::ClearPreviousClipRectsForTesting(*grandchild);
   GetDocument().View()->UpdateAllLifecyclePhases();
   // Still no rects, because the walk early-outed at the LayoutView.
-  EXPECT_FALSE(grandchild->PreviousPaintingClipRects());
+  EXPECT_FALSE(
+      grandchild->GetMutableForPainting().FirstFragment()->PreviousClipRects());
 
-  grandchild->GetLayoutObject().SetNeedsPaintPropertyUpdate();
+  grandchild->SetNeedsPaintPropertyUpdate();
   GetDocument().View()->UpdateAllLifecyclePhases();
-  EXPECT_TRUE(grandchild->PreviousPaintingClipRects());
+  EXPECT_TRUE(
+      grandchild->GetMutableForPainting().FirstFragment()->PreviousClipRects());
 }
 
 TEST_P(PrePaintTreeWalkTest, VisualRectClipForceSubtree) {
   SetBodyInnerHTML(
       "<style>"
       "  #parent { height: 75px; position: relative; width: 100px; }"
       "</style>"
       "<div id='parent' style='height: 100px;'>"
       "  <div id='child' style='overflow: hidden; width: 100%; height: 100%; "
       "      position: relative'>"
@@ skipping 33 matching lines @@
   auto* target = GetDocument().getElementById("target");
   auto* target_object = ToLayoutBoxModelObject(target->GetLayoutObject());
   target->setAttribute(HTMLNames::styleAttr, "border-radius: 5px");
   GetDocument().View()->UpdateAllLifecyclePhasesExceptPaint();
   EXPECT_TRUE(target_object->Layer()->NeedsRepaint());
   // And should not trigger any assert failure.
   GetDocument().View()->UpdateAllLifecyclePhases();
 }
 
 }  // namespace blink