Revert of Input type url with line break and leading-trailing whitespace should be stripped.

Source/core/html/forms/URLInputType.cpp

Index: Source/core/html/forms/URLInputType.cpp
diff --git a/Source/core/html/forms/URLInputType.cpp b/Source/core/html/forms/URLInputType.cpp
index dd16ba32d6bfa666a27dd5c8965cd5a41fa45417..db6942b559e9790e16c4222df4f0be986cfb7f99 100644
--- a/Source/core/html/forms/URLInputType.cpp
+++ b/Source/core/html/forms/URLInputType.cpp
@@ -33,7 +33,6 @@
 
 #include "core/InputTypeNames.h"
 #include "core/html/HTMLInputElement.h"
-#include "core/html/parser/HTMLParserIdioms.h"
 #include "platform/text/PlatformLocale.h"
 #include "wtf/PassOwnPtr.h"
 
@@ -54,12 +53,6 @@
     return InputTypeNames::url;
 }
 
-String URLInputType::sanitizeValue(const String& proposedValue) const
-{
-    String value = proposedValue.removeCharacters(isHTMLLineBreak);
-    return stripLeadingAndTrailingHTMLSpaces(value);
-}
-
 bool URLInputType::typeMismatchFor(const String& value) const
 {
     return !value.isEmpty() && !KURL(KURL(), value).isValid();