Make non-null VisibleSelections creatable only by createVisibleSelection[Deprecated]

third_party/WebKit/Source/core/editing/SelectionAdjusterTest.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 "core/editing/SelectionAdjuster.h"
 
 #include "core/editing/EditingTestBase.h"
 
 namespace blink {
 
 class SelectionAdjusterTest : public EditingTestBase  {
 };
 
 TEST_F(SelectionAdjusterTest, adjustSelectionInFlatTree)
 {
     setBodyContent("<div id=sample>foo</div>");
     VisibleSelectionInFlatTree selectionInFlatTree;
 
     Node* const sample = document().getElementById("sample");
     Node* const foo = sample->firstChild();
     // Select "foo"
-    VisibleSelection selection(Position(foo, 0), Position(foo, 3));
+    VisibleSelection selection = createVisibleSelectionDeprecated(Position(foo, 0), Position(foo, 3));
     SelectionAdjuster::adjustSelectionInFlatTree(&selectionInFlatTree, selection);
     EXPECT_EQ(PositionInFlatTree(foo, 0), selectionInFlatTree.start());
     EXPECT_EQ(PositionInFlatTree(foo, 3), selectionInFlatTree.end());
 }
 
 TEST_F(SelectionAdjusterTest, adjustSelectionInDOMTree)
 {
     setBodyContent("<div id=sample>foo</div>");
     VisibleSelection selection;
 
     Node* const sample = document().getElementById("sample");
     Node* const foo = sample->firstChild();
     // Select "foo"
-    VisibleSelectionInFlatTree selectionInFlatTree(
+    VisibleSelectionInFlatTree selectionInFlatTree = createVisibleSelectionDeprecated(
         PositionInFlatTree(foo, 0),
         PositionInFlatTree(foo, 3));
     SelectionAdjuster::adjustSelectionInDOMTree(&selection, selectionInFlatTree);
     EXPECT_EQ(Position(foo, 0), selection.start());
     EXPECT_EQ(Position(foo, 3), selection.end());
 }
 
 } // namespace blink