Unskip the paint property test: "ContainPaintChangesUpdateOverflowClip"

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 3208 matching lines @@
   div->setAttribute(HTMLNames::styleAttr, "overflow:hidden;");
   document().view()->updateAllLifecyclePhases();
   clipProperties = div->layoutObject()->paintProperties()->overflowClip();
   EXPECT_EQ(FloatRect(0, 0, 800, 0), clipProperties->clipRect().rect());
   div->setAttribute(HTMLNames::styleAttr, "overflow:visible;");
   document().view()->updateAllLifecyclePhases();
   EXPECT_TRUE(!div->layoutObject()->paintProperties() ||
               !div->layoutObject()->paintProperties()->overflowClip());
 }
 
-// crbug.com:645667: Contain paint changes fail to update paint properties.
-TEST_P(PaintPropertyTreeBuilderTest,
-       DISABLED_ContainPaintChangesUpdateOverflowClip) {
+TEST_P(PaintPropertyTreeBuilderTest, ContainPaintChangesUpdateOverflowClip) {
   setBodyInnerHTML(
       "<style>"
       "  body { margin:0 }"
       "  #div { will-change:transform; width:7px; height:6px; }"
       "</style>"
       "<div id='div' style='contain:paint;'></div>");
   document().view()->updateAllLifecyclePhases();
   auto* div = document().getElementById("div");
   auto* properties = div->layoutObject()->paintProperties()->overflowClip();
   EXPECT_EQ(FloatRect(0, 0, 7, 6), properties->clipRect().rect());
@@ skipping 35 matching lines @@
 
   auto* iframeContainer = document().getElementById("iframeContainer");
   iframeContainer->setAttribute(HTMLNames::styleAttr, "visibility: hidden;");
   frameView->updateAllLifecyclePhases();
 
   EXPECT_EQ(nullptr, frameScroll(frameView));
   EXPECT_EQ(nullptr, frameScroll(childFrameView));
 }
 
 }  // namespace blink