Add static root property tree nodes [spv2]

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

 // Copyright 2014 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/paint/PaintControllerPaintTest.h"
 
 #include "core/editing/FrameCaret.h"
 #include "core/editing/FrameSelection.h"
 #include "core/layout/LayoutText.h"
 #include "core/layout/line/InlineTextBox.h"
@@ skipping 112 matching lines @@
         TestDisplayItem(layoutView(), documentBackgroundType),
         TestDisplayItem(htmlLayer, DisplayItem::kSubsequence),
         TestDisplayItem(div, DisplayItem::kBeginCompositing),
         TestDisplayItem(subDiv, backgroundType),
         TestDisplayItem(subDiv2, backgroundType),
         TestDisplayItem(div, DisplayItem::kEndCompositing),
         TestDisplayItem(htmlLayer, DisplayItem::kEndSubsequence),
         TestDisplayItem(*layoutView().layer(), DisplayItem::kEndSubsequence),
         TestDisplayItem(layoutView(), DisplayItem::clipTypeToEndClipType(DisplayItem::kClipFrameToVisibleContentRect)));
 
+    const PaintChunk& backgroundChunk = rootPaintController().paintChunks()[0];
+    EXPECT_TRUE(backgroundChunk.properties.scroll->isRoot());
+
     const EffectPaintPropertyNode* effectNode = div.objectPaintProperties()->effect();
     EXPECT_EQ(0.5f, effectNode->opacity());
-    const PaintChunk& chunk = rootPaintController().paintChunks()[2];
+    const PaintChunk& chunk = rootPaintController().paintChunks()[1];
     EXPECT_EQ(*div.layer(), chunk.id->client);
     EXPECT_EQ(effectNode, chunk.properties.effect.get());
 
     EXPECT_FALSE(div.layer()->isJustCreated());
     // Client used by only paint chunks and non-cachaeable display items but not by any
     // cacheable display items won't be marked as validly cached.
     EXPECT_FALSE(rootPaintController().clientCacheIsValid(*div.layer()));
     EXPECT_FALSE(rootPaintController().clientCacheIsValid(div));
     EXPECT_TRUE(rootPaintController().clientCacheIsValid(subDiv));
 }
@@ skipping 15 matching lines @@
         TestDisplayItem(htmlLayer, DisplayItem::kSubsequence),
         // The begin and end compositing display items have been folded into this one.
         TestDisplayItem(subDiv, backgroundType),
         TestDisplayItem(htmlLayer, DisplayItem::kEndSubsequence),
         TestDisplayItem(*layoutView().layer(), DisplayItem::kEndSubsequence),
         TestDisplayItem(layoutView(), DisplayItem::clipTypeToEndClipType(DisplayItem::kClipFrameToVisibleContentRect)));
 }
 
 
 } // namespace blink