Only allow subsequence caching for SVG documents, not inline SVG.

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 127 matching lines @@
     EXPECT_DISPLAY_LIST(
         RootPaintController().GetDisplayItemList(), 5,
         TestDisplayItem(GetLayoutView(), kDocumentBackgroundType),
         TestDisplayItem(container1, kBackgroundType),
         TestDisplayItem(content1, kBackgroundType),
         TestDisplayItem(container2, kBackgroundType),
         TestDisplayItem(content2, kBackgroundType));
   }
 }
 
-TEST_P(PaintLayerPainterTest, CachedSubsequenceForSVGRoot) {
-  SetBodyInnerHTML(
-      "<svg id='svg' style='position: relative'>"
-      "  <rect id='rect' x='10' y='10' width='100' height='100' rx='15' "
-      "ry='15'/>"
-      "</svg>"
-      "<div id='div' style='position: relative; width: 50x; height: "
-      "50px'></div>");
-  GetDocument().View()->UpdateAllLifecyclePhases();
-
-  LayoutObject& svg = *GetDocument().getElementById("svg")->GetLayoutObject();
-  LayoutObject& rect = *GetDocument().getElementById("rect")->GetLayoutObject();
-  LayoutObject& div = *GetDocument().getElementById("div")->GetLayoutObject();
-
-  if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
-    // SPv2 slips the clip box (see BoxClipper).
-    EXPECT_DISPLAY_LIST(
-        RootPaintController().GetDisplayItemList(), 2,
-        TestDisplayItem(GetLayoutView(), kDocumentBackgroundType),
-        TestDisplayItem(rect, kForegroundType));
-  } else {
-    EXPECT_DISPLAY_LIST(
-        RootPaintController().GetDisplayItemList(), 6,
-        TestDisplayItem(GetLayoutView(), kDocumentBackgroundType),
-        TestDisplayItem(svg, DisplayItem::kClipLayerForeground),
-        TestDisplayItem(svg, DisplayItem::kBeginTransform),
-        TestDisplayItem(rect, kForegroundType),
-        TestDisplayItem(svg, DisplayItem::kEndTransform),
-        TestDisplayItem(svg, DisplayItem::ClipTypeToEndClipType(
-                                 DisplayItem::kClipLayerForeground)));
-  }
-
-  // Change the color of the div. This should not invalidate the subsequence
-  // for the SVG root.
-  ToHTMLElement(div.GetNode())
-      ->setAttribute(HTMLNames::styleAttr,
-                     "position: relative; width: 50x; height: 50px; "
-                     "background-color: green");
-  GetDocument().View()->UpdateAllLifecyclePhasesExceptPaint();
-  EXPECT_TRUE(PaintWithoutCommit());
-
-  // Reuse of SVG and document background. 2 fewer with SPv2 enabled because
-  // clip display items don't appear in SPv2 display lists.
-  if (RuntimeEnabledFeatures::slimmingPaintV2Enabled())
-    EXPECT_EQ(2, NumCachedNewItems());
-  else
-    EXPECT_EQ(6, NumCachedNewItems());
-
-  Commit();
-
-  if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
-    EXPECT_DISPLAY_LIST(
-        RootPaintController().GetDisplayItemList(), 3,
-        TestDisplayItem(GetLayoutView(), kDocumentBackgroundType),
-        TestDisplayItem(rect, kForegroundType),
-        TestDisplayItem(div, kBackgroundType));
-  } else {
-    EXPECT_DISPLAY_LIST(
-        RootPaintController().GetDisplayItemList(), 7,
-        TestDisplayItem(GetLayoutView(), kDocumentBackgroundType),
-        TestDisplayItem(svg, DisplayItem::kClipLayerForeground),
-        TestDisplayItem(svg, DisplayItem::kBeginTransform),
-        TestDisplayItem(rect, kForegroundType),
-        TestDisplayItem(svg, DisplayItem::kEndTransform),
-        TestDisplayItem(svg, DisplayItem::ClipTypeToEndClipType(
-                                 DisplayItem::kClipLayerForeground)),
-        TestDisplayItem(div, kBackgroundType),
-        TestDisplayItem(GetLayoutView(),
-                        DisplayItem::ClipTypeToEndClipType(
-                            DisplayItem::kClipFrameToVisibleContentRect)));
-  }
-}
-
 TEST_P(PaintLayerPainterTest, CachedSubsequenceOnInterestRectChange) {
   // TODO(wangxianzhu): SPv2 deals with interest rect differently, so disable
   // this test for SPv2 temporarily.
   if (RuntimeEnabledFeatures::slimmingPaintV2Enabled())
     return;
 
   SetBodyInnerHTML(
       "<div id='container1' style='position: relative; z-index: 1; width: "
       "200px; height: 200px; background-color: blue'>"
       "  <div id='content1' style='position: absolute; width: 100px; height: "
@@ skipping 688 matching lines @@
       "  height: 100px; "
       "  opacity: 0; "
       "  will-change: opacity;"
       "}"
       "</style> "
       "<div id='target'></div>");
   ExpectPaintedOutputInvisible("target", false);
 }
 
 }  // namespace blink