Get rid of unused functions SelectionAdjuster::adjustSelectionIn{DOM,Flat}Tree

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

Index: third_party/WebKit/Source/core/editing/VisibleSelectionTest.cpp
diff --git a/third_party/WebKit/Source/core/editing/VisibleSelectionTest.cpp b/third_party/WebKit/Source/core/editing/VisibleSelectionTest.cpp
index 1ab7b726512409006aba464b46de63485c7b42ec..549b61c281cdda036fd47b024cf1a2e1c533767c 100644
--- a/third_party/WebKit/Source/core/editing/VisibleSelectionTest.cpp
+++ b/third_party/WebKit/Source/core/editing/VisibleSelectionTest.cpp
@@ -481,11 +481,6 @@ TEST_F(VisibleSelectionTest, updateIfNeededWithShadowHost) {
   // Simulates to restore selection from undo stack.
   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