Introduce LayoutObject::AncestorSkipInfo.

third_party/WebKit/Source/core/layout/LayoutObjectTest.cpp

Index: third_party/WebKit/Source/core/layout/LayoutObjectTest.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutObjectTest.cpp b/third_party/WebKit/Source/core/layout/LayoutObjectTest.cpp
index e870cd1b6ef130a4598d27a3e3643d4db96f7f0c..b9a3314b5a3d2ebf60029f5dc263d5059db456f5 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObjectTest.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutObjectTest.cpp
@@ -169,13 +169,13 @@ TEST_F(LayoutObjectTest, FloatUnderInline) {
   EXPECT_EQ(container, floating->container());
   EXPECT_EQ(container, floating->containingBlock());
 
-  bool ancestorSkipped = false;
-  EXPECT_EQ(container, floating->container(layeredSpan, &ancestorSkipped));
-  EXPECT_TRUE(ancestorSkipped);
+  LayoutObject::AncestorSkipInfo skipInfo(layeredSpan);
+  EXPECT_EQ(container, floating->container(&skipInfo));
+  EXPECT_TRUE(skipInfo.ancestorSkipped);
 
-  ancestorSkipped = false;
-  EXPECT_EQ(container, floating->container(container, &ancestorSkipped));
-  EXPECT_FALSE(ancestorSkipped);
+  skipInfo.setAncestor(container);
+  EXPECT_EQ(container, floating->container(&skipInfo));
+  EXPECT_FALSE(skipInfo.ancestorSkipped);
 }
 
 TEST_F(LayoutObjectTest, MutableForPaintingClearPaintFlags) {