Revert of Oilpan: fix build after r201994.

Source/core/editing/InputMethodController.cpp

Index: Source/core/editing/InputMethodController.cpp
diff --git a/Source/core/editing/InputMethodController.cpp b/Source/core/editing/InputMethodController.cpp
index 678921331b7dd980149534fb57867cda7a32fb6d..f1d4018dbf735e082b90f8c3fc7339dfd64f377c 100644
--- a/Source/core/editing/InputMethodController.cpp
+++ b/Source/core/editing/InputMethodController.cpp
@@ -160,8 +160,8 @@
     if (!selection.isNone() && !m_compositionRange->collapsed()) {
         Position start = selection.start();
         Position end = selection.end();
-        if (start.compareTo(m_compositionRange->startPosition()) >= 0
-            && end.compareTo(m_compositionRange->endPosition()) <= 0)
+        if (selection.start().compareTo(m_compositionRange->startPosition()) >= 0
+            && selection.end().compareTo(m_compositionRange->endPosition()) <= 0)
             return;
     }