Revert "Landing https://codereview.chromium.org/40133004 for mnita@google.com." due to test failure…

src/i18n.js

Index: src/i18n.js
diff --git a/src/i18n.js b/src/i18n.js
index f23b222981ee7d743ac5c0def23e58acad4ce09e..a64c7e67844b01ebc134956e95c2cba87cd5a288 100644
--- a/src/i18n.js
+++ b/src/i18n.js
@@ -45,11 +45,6 @@ var AVAILABLE_SERVICES = ['collator',
                           'dateformat',
                           'breakiterator'];
 
-var NORMALIZATION_FORMS = ['NFC',
-                           'NFD',
-                           'NFKC',
-                           'NFKD'];
-
 /**
  * Caches available locales for each service.
  */
@@ -1993,40 +1988,6 @@ $Object.defineProperty($String.prototype, 'localeCompare', {
 %FunctionRemovePrototype($String.prototype.localeCompare);
 %SetNativeFlag($String.prototype.localeCompare);
 
-/**
- * Unicode normalization. This method is called with one argument that
- * specifies the normalization form.
- * If none is specified, "NFC" is assumed.
- * If the form is not one of "NFC", "NFD", "NFKC", or "NFKD", then throw
- * a RangeError Exception.
- */
-$Object.defineProperty($String.prototype, 'normalize', {
-  value: function(that) {
-    if (%_IsConstructCall()) {
-      throw new $TypeError(ORDINARY_FUNCTION_CALLED_AS_CONSTRUCTOR);
-    }
-
-    if (IS_NULL_OR_UNDEFINED(this)) {
-      throw new $TypeError('Method invoked on undefined or null value.');
-    }
-
-    var form = $String(%_Arguments(0) || 'NFC');
-
-    var normalizationForm = NORMALIZATION_FORMS.indexOf(form);
-    if (normalizationForm !== -1) {
-      return %StringNormalize(this, normalizationForm);
-    }
-    throw new $RangeError('The normalization form should be one of '
-        + NORMALIZATION_FORMS.join(', ') + '.');
-  },
-  writable: true,
-  configurable: true,
-  enumerable: false
-});
-%FunctionSetName($String.prototype.normalize, 'normalize');
-%FunctionRemovePrototype($String.prototype.normalize);
-%SetNativeFlag($String.prototype.normalize);
-
 
 /**
  * Formats a Number object (this) using locale and options values.