Apply SVG viewport clips in PaintLayer; paint background of replaced like boxes.

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

 // Copyright 2015 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/PaintLayerPainter.h"
 
 #include "core/layout/LayoutBoxModelObject.h"
 #include "core/layout/compositing/CompositedLayerMapping.h"
 #include "core/paint/PaintControllerPaintTest.h"
 #include "platform/graphics/GraphicsContext.h"
@@ skipping 205 matching lines @@
   document().view()->updateAllLifecyclePhases();
 
   PaintLayer& htmlLayer =
       *toLayoutBoxModelObject(document().documentElement()->layoutObject())
            ->layer();
   LayoutObject& svg = *document().getElementById("svg")->layoutObject();
   PaintLayer& svgLayer = *toLayoutBoxModelObject(svg).layer();
   LayoutObject& rect = *document().getElementById("rect")->layoutObject();
   LayoutObject& div = *document().getElementById("div")->layoutObject();
 
-  DisplayItem::Type clipBoxBegin =
-      DisplayItem::paintPhaseToClipBoxType(PaintPhaseForeground);
-  DisplayItem::Type clipBoxEnd =
-      DisplayItem::clipTypeToEndClipType(clipBoxBegin);
-
   if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
     if (RuntimeEnabledFeatures::rootLayerScrollingEnabled()) {
       // SPv2 slips the clip box (see BoxClipper).
       EXPECT_DISPLAY_LIST(
           rootPaintController().getDisplayItemList(), 10,
           TestDisplayItem(*layoutView().layer(), DisplayItem::kSubsequence),
           TestDisplayItem(layoutView(), documentBackgroundType),
           TestDisplayItem(htmlLayer, DisplayItem::kSubsequence),
           TestDisplayItem(svgLayer, DisplayItem::kSubsequence),
           TestDisplayItem(svg, DisplayItem::kBeginTransform),
@@ skipping 21 matching lines @@
           TestDisplayItem(layoutView(),
                           DisplayItem::clipTypeToEndClipType(
                               DisplayItem::kClipFrameToVisibleContentRect)));
     }
   } else {
     EXPECT_DISPLAY_LIST(
         rootPaintController().getDisplayItemList(), 10,
         TestDisplayItem(layoutView(), documentBackgroundType),
         TestDisplayItem(htmlLayer, DisplayItem::kSubsequence),
         TestDisplayItem(svgLayer, DisplayItem::kSubsequence),
-        TestDisplayItem(svg, clipBoxBegin),
+        TestDisplayItem(svg, DisplayItem::kClipLayerForeground),
         TestDisplayItem(svg, DisplayItem::kBeginTransform),
         TestDisplayItem(rect, foregroundType),
         TestDisplayItem(svg, DisplayItem::kEndTransform),
-        TestDisplayItem(svg, clipBoxEnd),
+        TestDisplayItem(svg, DisplayItem::clipTypeToEndClipType(
+                                 DisplayItem::kClipLayerForeground)),
         TestDisplayItem(svgLayer, DisplayItem::kEndSubsequence),
         TestDisplayItem(htmlLayer, DisplayItem::kEndSubsequence));
   }
 
   // Change the color of the div. This should not invalidate the subsequence
   // for the SVG root.
   toHTMLElement(div.node())
       ->setAttribute(HTMLNames::styleAttr,
                      "position: relative; width: 50x; height: 50px; "
                      "background-color: green");
@@ skipping 43 matching lines @@
           TestDisplayItem(layoutView(),
                           DisplayItem::clipTypeToEndClipType(
                               DisplayItem::kClipFrameToVisibleContentRect)));
     }
   } else {
     EXPECT_DISPLAY_LIST(
         rootPaintController().getDisplayItemList(), 11,
         TestDisplayItem(layoutView(), documentBackgroundType),
         TestDisplayItem(htmlLayer, DisplayItem::kSubsequence),
         TestDisplayItem(svgLayer, DisplayItem::kSubsequence),
-        TestDisplayItem(svg, clipBoxBegin),
+        TestDisplayItem(svg, DisplayItem::kClipLayerForeground),
         TestDisplayItem(svg, DisplayItem::kBeginTransform),
         TestDisplayItem(rect, foregroundType),
         TestDisplayItem(svg, DisplayItem::kEndTransform),
-        TestDisplayItem(svg, clipBoxEnd),
+        TestDisplayItem(svg, DisplayItem::clipTypeToEndClipType(
+                                 DisplayItem::kClipLayerForeground)),
         TestDisplayItem(svgLayer, DisplayItem::kEndSubsequence),
         TestDisplayItem(div, backgroundType),
         TestDisplayItem(htmlLayer, DisplayItem::kEndSubsequence),
         TestDisplayItem(layoutView(),
                         DisplayItem::clipTypeToEndClipType(
                             DisplayItem::kClipFrameToVisibleContentRect)));
   }
 }
 
 TEST_P(PaintLayerPainterTest, CachedSubsequenceOnInterestRectChange) {
@@ skipping 702 matching lines @@
       "<div id='target' style='background: blue; opacity: 0.1'></div>");
   PaintLayer* targetLayer =
       toLayoutBox(getLayoutObjectByElementId("target"))->layer();
   PaintLayerPaintingInfo paintingInfo(nullptr, LayoutRect(),
                                       GlobalPaintNormalPhase, LayoutSize());
   EXPECT_FALSE(
       PaintLayerPainter(*targetLayer).paintedOutputInvisible(paintingInfo));
 }
 
 }  // namespace blink