[SPInvalidation] Update paint properties on perspective etc. change

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.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/html/HTMLIFrameElement.h"
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutTreeAsText.h"
 #include "core/layout/api/LayoutViewItem.h"
 #include "core/paint/ObjectPaintProperties.h"
 #include "core/paint/PaintPropertyTreePrinter.h"
@@ skipping 288 matching lines @@
   if (!RuntimeEnabledFeatures::rootLayerScrollingEnabled()) {
     const auto* viewProperties = frameView->layoutView()->paintProperties();
     EXPECT_EQ(nullptr, viewProperties->scrollTranslation());
   }
   CHECK_EXACT_VISUAL_RECT(LayoutRect(8, 8, 784, 10000),
                           document().body()->layoutObject(),
                           frameView->layoutView());
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, Perspective) {
-  loadTestData("perspective.html");
-
+  setBodyInnerHTML(
+      "<style>"
+      "  #perspective { position: absolute; left: 50px; top: 100px;"
+      "    width: 400px; height: 300px; perspective: 100px }"
+      "  #inner { transform: translateZ(0); width: 100px; height: 200px; }"
+      "</style>"
+      "<div id='perspective'>"
+      "  <div id='inner'></div>"
+      "</div>");
   Element* perspective = document().getElementById("perspective");
   const ObjectPaintProperties* perspectiveProperties =
       perspective->layoutObject()->paintProperties();
   EXPECT_EQ(TransformationMatrix().applyPerspective(100),
             perspectiveProperties->perspective()->matrix());
   // The perspective origin is the center of the border box plus accumulated
   // paint offset.
   EXPECT_EQ(FloatPoint3D(250, 250, 0),
             perspectiveProperties->perspective()->origin());
   EXPECT_EQ(framePreTranslation(),
             perspectiveProperties->perspective()->parent());
 
   // Adding perspective doesn't clear paint offset. The paint offset will be
   // passed down to children.
   Element* inner = document().getElementById("inner");
   const ObjectPaintProperties* innerProperties =
       inner->layoutObject()->paintProperties();
   EXPECT_EQ(TransformationMatrix().translate(50, 100),
             innerProperties->paintOffsetTranslation()->matrix());
   EXPECT_EQ(perspectiveProperties->perspective(),
             innerProperties->paintOffsetTranslation()->parent());
   CHECK_EXACT_VISUAL_RECT(LayoutRect(50, 100, 100, 200), inner->layoutObject(),
                           document().view()->layoutView());
+
+  perspective->setAttribute(HTMLNames::styleAttr, "perspective: 200px");
+  document().view()->updateAllLifecyclePhases();
+  EXPECT_EQ(TransformationMatrix().applyPerspective(200),
+            perspectiveProperties->perspective()->matrix());
+  EXPECT_EQ(FloatPoint3D(250, 250, 0),
+            perspectiveProperties->perspective()->origin());
+  EXPECT_EQ(framePreTranslation(),
+            perspectiveProperties->perspective()->parent());
+
+  perspective->setAttribute(HTMLNames::styleAttr, "perspective-origin: 5% 20%");
+  document().view()->updateAllLifecyclePhases();
+  EXPECT_EQ(TransformationMatrix().applyPerspective(100),
+            perspectiveProperties->perspective()->matrix());
+  EXPECT_EQ(FloatPoint3D(70, 160, 0),
+            perspectiveProperties->perspective()->origin());
+  EXPECT_EQ(framePreTranslation(),
+            perspectiveProperties->perspective()->parent());
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, Transform) {
   setBodyInnerHTML(
       "<style> body { margin: 0 } </style>"
       "<div id='transform' style='margin-left: 50px; margin-top: 100px;"
       "    width: 400px; height: 300px;"
       "    transform: translate3D(123px, 456px, 789px)'>"
       "</div>");
 
@@ skipping 2881 matching lines @@
   setBodyInnerHTML("<div id='div' style='background-color: blue'>DIV</div>");
   auto* div = document().getElementById("div");
 
   document().view()->updateAllLifecyclePhases();
   div->setAttribute(HTMLNames::styleAttr, "background-color: green");
   document().view()->updateLifecycleToLayoutClean();
   EXPECT_FALSE(div->layoutObject()->needsPaintPropertyUpdate());
 }
 
 }  // namespace blink