Blink-side contiguous allocation of display items.

Source/core/paint/LayoutObjectDrawingRecorderTest.cpp

Index: Source/core/paint/LayoutObjectDrawingRecorderTest.cpp
diff --git a/Source/core/paint/LayoutObjectDrawingRecorderTest.cpp b/Source/core/paint/LayoutObjectDrawingRecorderTest.cpp
index 104f075d45d39c4af10c38451fcb240d08608eb6..9e86707434e257940d82b03f430f1e0ba620ac41 100644
--- a/Source/core/paint/LayoutObjectDrawingRecorderTest.cpp
+++ b/Source/core/paint/LayoutObjectDrawingRecorderTest.cpp
@@ -68,12 +68,12 @@ void drawRect(GraphicsContext& context, LayoutView& layoutView, PaintPhase phase
     context.drawRect(rect);
 }
 
-bool isDrawing(const DisplayItems::ItemHandle& item)
+bool isDrawing(const DisplayItem& item)
 {
     return DisplayItem::isDrawingType(item.type());
 }
 
-bool isCached(const DisplayItems::ItemHandle& item)
+bool isCached(const DisplayItem& item)
 {
     return DisplayItem::isCachedType(item.type());
 }
@@ -87,9 +87,9 @@ TEST_F(LayoutObjectDrawingRecorderTest, Nothing)
     drawNothing(context, layoutView(), PaintPhaseForeground, bound);
     rootDisplayItemList().commitNewDisplayItems();
     EXPECT_EQ((size_t)1, rootDisplayItemList().displayItems().size());
-    const auto& item = rootDisplayItemList().displayItems()[0];
+    const auto& item = *rootDisplayItemList().displayItems().elementAt(0);
     ASSERT_TRUE(isDrawing(item));
-    EXPECT_FALSE(item.picture());
+    EXPECT_FALSE(static_cast<const DrawingDisplayItem&>(item).picture());
 }
 
 TEST_F(LayoutObjectDrawingRecorderTest, Rect)
@@ -99,7 +99,7 @@ TEST_F(LayoutObjectDrawingRecorderTest, Rect)
     drawRect(context, layoutView(), PaintPhaseForeground, bound);
     rootDisplayItemList().commitNewDisplayItems();
     EXPECT_EQ((size_t)1, rootDisplayItemList().displayItems().size());
-    EXPECT_TRUE(isDrawing(rootDisplayItemList().displayItems()[0]));
+    EXPECT_TRUE(isDrawing(*rootDisplayItemList().displayItems().elementAt(0)));
 }
 
 TEST_F(LayoutObjectDrawingRecorderTest, Cached)
@@ -110,18 +110,18 @@ TEST_F(LayoutObjectDrawingRecorderTest, Cached)
     drawRect(context, layoutView(), PaintPhaseForeground, bound);
     rootDisplayItemList().commitNewDisplayItems();
     EXPECT_EQ((size_t)2, rootDisplayItemList().displayItems().size());
-    EXPECT_TRUE(isDrawing(rootDisplayItemList().displayItems()[0]));
-    EXPECT_TRUE(isDrawing(rootDisplayItemList().displayItems()[1]));
+    EXPECT_TRUE(isDrawing(*rootDisplayItemList().displayItems().elementAt(0)));
+    EXPECT_TRUE(isDrawing(*rootDisplayItemList().displayItems().elementAt(1)));
 
     drawNothing(context, layoutView(), PaintPhaseBlockBackground, bound);
     drawRect(context, layoutView(), PaintPhaseForeground, bound);
     EXPECT_EQ((size_t)2, newDisplayItemsBeforeUpdate().size());
-    EXPECT_TRUE(isCached(newDisplayItemsBeforeUpdate()[0]));
-    EXPECT_TRUE(isCached(newDisplayItemsBeforeUpdate()[1]));
+    EXPECT_TRUE(isCached(*newDisplayItemsBeforeUpdate().elementAt(0)));
+    EXPECT_TRUE(isCached(*newDisplayItemsBeforeUpdate().elementAt(1)));
     rootDisplayItemList().commitNewDisplayItems();
     EXPECT_EQ((size_t)2, rootDisplayItemList().displayItems().size());
-    EXPECT_TRUE(isDrawing(rootDisplayItemList().displayItems()[0]));
-    EXPECT_TRUE(isDrawing(rootDisplayItemList().displayItems()[1]));
+    EXPECT_TRUE(isDrawing(*rootDisplayItemList().displayItems().elementAt(0)));
+    EXPECT_TRUE(isDrawing(*rootDisplayItemList().displayItems().elementAt(1)));
 }
 
 } // namespace