Remove blink::RuntimeEnabledFeatures::slimmingPaintDisplayItemCache

Source/core/paint/LayoutObjectDrawingRecorderTest.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 "config.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutView.h"
 #include "core/paint/DeprecatedPaintLayer.h"
@@ skipping 21 matching lines @@
         RenderingTest::SetUp();
         enableCompositing();
 
         m_layoutView = document().view()->layoutView();
         ASSERT_TRUE(m_layoutView);
     }
 
     virtual void TearDown() override
     {
         RuntimeEnabledFeatures::setSlimmingPaintEnabled(false);
-        RuntimeEnabledFeatures::setSlimmingPaintDisplayItemCacheEnabled(false);
     }
 
     LayoutView* m_layoutView;
 };
 
 void drawNothing(GraphicsContext* context, LayoutView* renderer, PaintPhase phase, const FloatRect& bound)
 {
     LayoutObjectDrawingRecorder drawingRecorder(context, *renderer, phase, bound);
 
     // Redundant when there's nothing to draw but we must always do this check.
@@ skipping 27 matching lines @@
     GraphicsContext context(nullptr, &rootDisplayItemList());
     FloatRect bound = layoutView()->viewRect();
     drawRect(&context, layoutView(), PaintPhaseForeground, bound);
     rootDisplayItemList().endNewPaints();
     EXPECT_EQ((size_t)1, rootDisplayItemList().paintList().size());
     EXPECT_TRUE(rootDisplayItemList().paintList()[0]->isDrawing());
 }
 
 TEST_F(LayoutObjectDrawingRecorderTest, Cached)
 {
-    RuntimeEnabledFeatures::setSlimmingPaintDisplayItemCacheEnabled(true);
-
     GraphicsContext context(nullptr, &rootDisplayItemList());
     FloatRect bound = layoutView()->viewRect();
     drawNothing(&context, layoutView(), PaintPhaseBlockBackground, bound);
     drawRect(&context, layoutView(), PaintPhaseForeground, bound);
     rootDisplayItemList().endNewPaints();
     EXPECT_EQ((size_t)1, rootDisplayItemList().paintList().size());
     EXPECT_TRUE(rootDisplayItemList().paintList()[0]->isDrawing());
 
     drawNothing(&context, layoutView(), PaintPhaseBlockBackground, bound);
     drawRect(&context, layoutView(), PaintPhaseForeground, bound);
     EXPECT_EQ((size_t)2, newPaintListBeforeUpdate().size());
     EXPECT_TRUE(newPaintListBeforeUpdate()[0]->isCached());
     EXPECT_TRUE(newPaintListBeforeUpdate()[1]->isCached());
     rootDisplayItemList().endNewPaints();
     EXPECT_EQ((size_t)1, rootDisplayItemList().paintList().size());
     EXPECT_TRUE(rootDisplayItemList().paintList()[0]->isDrawing());
 }
 
 }