Enclose break_iterator code with !UCONFIG_NO_BREAK_ITERATOR

src/i18n.cc

Index: src/i18n.cc
diff --git a/src/i18n.cc b/src/i18n.cc
index 69fa9ca89583c45dcfd2e1a709894dc9baf3224a..e1f7639c67f377c067c582994773864ace0bf174 100644
--- a/src/i18n.cc
+++ b/src/i18n.cc
@@ -601,7 +601,7 @@ void SetResolvedCollatorSettings(Isolate* isolate,
   }
 }
 
-
+#if !UCONFIG_NO_BREAK_ITERATION
 icu::BreakIterator* CreateICUBreakIterator(
     Isolate* isolate,
     const icu::Locale& icu_locale,
@@ -635,7 +635,7 @@ icu::BreakIterator* CreateICUBreakIterator(
 
   return break_iterator;
 }
-
+#endif
 
 void SetResolvedBreakIteratorSettings(Isolate* isolate,
                                       const icu::Locale& icu_locale,
@@ -881,7 +881,7 @@ void Collator::DeleteCollator(
   DestroyGlobalHandle(data);
 }
 
-
+#if !UCONFIG_NO_BREAK_ITERATION
 icu::BreakIterator* BreakIterator::InitializeBreakIterator(
     Isolate* isolate,
     Handle<String> locale,
@@ -946,5 +946,5 @@ void BreakIterator::DeleteBreakIterator(
   DeleteNativeObjectAt<icu::UnicodeString>(data, 1);
   DestroyGlobalHandle(data);
 }
-
+#endif
 } }  // namespace v8::internal