Get rid of flat tree version of createVisibleSelection() taking two PositionInFlatTree

third_party/WebKit/Source/core/editing/SelectionAdjusterTest.cpp

Index: third_party/WebKit/Source/core/editing/SelectionAdjusterTest.cpp
diff --git a/third_party/WebKit/Source/core/editing/SelectionAdjusterTest.cpp b/third_party/WebKit/Source/core/editing/SelectionAdjusterTest.cpp
index c643c2cef0bbdd9f2da1d9d664a780f59c07e2e5..b15506626927185b952a4264d19438562cca42ce 100644
--- a/third_party/WebKit/Source/core/editing/SelectionAdjusterTest.cpp
+++ b/third_party/WebKit/Source/core/editing/SelectionAdjusterTest.cpp
@@ -31,8 +31,11 @@ TEST_F(SelectionAdjusterTest, adjustSelectionInDOMTree) {
   Node* const sample = document().getElementById("sample");
   Node* const foo = sample->firstChild();
   // Select "foo"
-  VisibleSelectionInFlatTree selectionInFlatTree = createVisibleSelection(
-      PositionInFlatTree(foo, 0), PositionInFlatTree(foo, 3));
+  VisibleSelectionInFlatTree selectionInFlatTree =
+      createVisibleSelection(SelectionInFlatTree::Builder()
+                                 .collapse(PositionInFlatTree(foo, 0))
+                                 .extend(PositionInFlatTree(foo, 3))
+                                 .build());
   SelectionAdjuster::adjustSelectionInDOMTree(&selection, selectionInFlatTree);
   EXPECT_EQ(Position(foo, 0), selection.start());
   EXPECT_EQ(Position(foo, 3), selection.end());