Split paint property update tests out of PaintPropertyTreeBuilderTest

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.h

+// Copyright 2016 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/layout/LayoutTestHelper.h"
+#include "platform/testing/RuntimeEnabledFeaturesTestHelpers.h"
+#include "platform/testing/UnitTestHelpers.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+class TransformPaintPropertyNode;
+class ClipPaintPropertyNode;
+class ScrollPaintPropertyNode;
+class LayoutPoint;
+
+typedef bool TestParamRootLayerScrolling;
+class PaintPropertyTreeBuilderTest
+    : public ::testing::WithParamInterface<TestParamRootLayerScrolling>,
+      private ScopedSlimmingPaintV2ForTest,
+      private ScopedRootLayerScrollingForTest,
+      public RenderingTest {
+ public:
+  PaintPropertyTreeBuilderTest()
+      : ScopedSlimmingPaintV2ForTest(true),
+        ScopedRootLayerScrollingForTest(GetParam()),
+        RenderingTest(SingleChildFrameLoaderClient::create()) {}
+
+  void loadTestData(const char* fileName);
+  const TransformPaintPropertyNode* framePreTranslation();
+  const TransformPaintPropertyNode* frameScrollTranslation();
+  const ClipPaintPropertyNode* frameContentClip();
+  const ScrollPaintPropertyNode* frameScroll(FrameView* = nullptr);
+  LayoutPoint paintOffset(const LayoutObject*);
+
+ private:
+  void SetUp() override {

[wkorman, 2016/12/20 01:01:15]

Put impl for this and TearDown in .cpp?

[pdr., 2016/12/20 02:56:00]

Good idea, done.

+    Settings::setMockScrollbarsEnabled(true);
+
+    RenderingTest::SetUp();
+    enableCompositing();
+  }
+
+  void TearDown() override {
+    RenderingTest::TearDown();
+
+    Settings::setMockScrollbarsEnabled(false);
+  }
+};
+
+}  // namespace blink