Reduce usage of VisibleSelection::setBase() and setExtent()

third_party/WebKit/Source/core/editing/VisibleSelectionTest.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/VisibleSelection.h"
 
 #include "core/dom/Range.h"
 #include "core/editing/EditingTestBase.h"
 #include "core/editing/SelectionAdjuster.h"
 
@@ skipping 19 matching lines @@
   void setSelection(VisibleSelectionTemplate<Strategy>& selection, int base) {
     setSelection(selection, base, base);
   }
 
   // Helper function to set the VisibleSelection base/extent.
   template <typename Strategy>
   void setSelection(VisibleSelectionTemplate<Strategy>& selection,
                     int base,
                     int extend) {
     Node* node = document().body()->firstChild();
-    selection.setBase(PositionTemplate<Strategy>(node, base));
-    selection.setExtent(PositionTemplate<Strategy>(node, extend));
+    selection = createVisibleSelection(
+        typename SelectionTemplate<Strategy>::Builder(selection.asSelection())
+            .collapse(PositionTemplate<Strategy>(node, base))
+            .extend(PositionTemplate<Strategy>(node, extend))
+            .build());
   }
 };
 
 static void testFlatTreePositionsToEqualToDOMTreePositions(
     const VisibleSelection& selection,
     const VisibleSelectionInFlatTree& selectionInFlatTree) {
   // Since DOM tree positions can't be map to flat tree version, e.g.
   // shadow root, not distributed node, we map a position in flat tree
   // to DOM tree position.
   EXPECT_EQ(selection.start(),
@@ skipping 400 matching lines @@
   selection.updateIfNeeded();
   EXPECT_EQ(Position(sample->firstChild(), 0), selection.start());
 
   VisibleSelectionInFlatTree selectionInFlatTree;
   SelectionAdjuster::adjustSelectionInFlatTree(&selectionInFlatTree, selection);
   EXPECT_EQ(PositionInFlatTree(sample->firstChild(), 0),
             selectionInFlatTree.start());
 }
 
 }  // namespace blink