Replacing the OVERRIDE with override and FINAL with final

Source/platform/text/LineEnding.cpp

Index: Source/platform/text/LineEnding.cpp
diff --git a/Source/platform/text/LineEnding.cpp b/Source/platform/text/LineEnding.cpp
index f804e37e1e7f0594a74cdd336260f419645a8a17..a37e63cf1e8a72be6c30f35d1a71c4b1f35d87fa 100644
--- a/Source/platform/text/LineEnding.cpp
+++ b/Source/platform/text/LineEnding.cpp
@@ -44,7 +44,7 @@ public:
     virtual ~OutputBuffer() { }
 };
 
-class CStringBuffer FINAL : public OutputBuffer {
+class CStringBuffer final : public OutputBuffer {
 public:
     CStringBuffer(CString& buffer)
         : m_buffer(buffer)
@@ -70,7 +70,7 @@ private:
     CString m_buffer;
 };
 
-class VectorCharAppendBuffer FINAL : public OutputBuffer {
+class VectorCharAppendBuffer final : public OutputBuffer {
 public:
     VectorCharAppendBuffer(Vector<char>& buffer)
         : m_buffer(buffer)