Move named constant to CharacterNames.h

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 45d0d75298aab800192866d674e0428b87022329..8e74cce616f5e72df0703dfb09758b936805789e 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -255,6 +255,7 @@
 #include "wtf/HashFunctions.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/StdLibExtras.h"
+#include "wtf/text/CharacterNames.h"
 #include "wtf/text/StringBuffer.h"
 #include "wtf/text/TextEncodingRegistry.h"
 #include <memory>
@@ -1314,9 +1315,6 @@ static inline String canonicalizedTitle(Document* document,
 
   // Replace control characters with spaces and collapse whitespace.
   bool pendingWhitespace = false;
-  const UChar lineTabulationCharacter = 0x0b;
-  const UChar spaceCharacter = 0x20;
-  const UChar deleteCharacter = 0x7f;
   for (unsigned i = 0; i < length; ++i) {
     UChar32 c = characters[i];
     if ((c <= spaceCharacter && c != lineTabulationCharacter) ||