Adding support for number formating to the JS i18n API.

src/extensions/experimental/i18n-utils.h

Index: src/extensions/experimental/i18n-utils.h
===================================================================
--- src/extensions/experimental/i18n-utils.h	(revision 8248)
+++ src/extensions/experimental/i18n-utils.h	(working copy)
@@ -53,6 +53,13 @@
                                    const char* setting,
                                    icu::UnicodeString* result);
 
+  // Converts ASCII array into UChar array.
+  // Target is always \0 terminated.
+  static void AsciiToUChar(const char* source,
+                           int32_t source_length,
+                           UChar* target,
+                           int32_t target_length);
+
  private:
   I18NUtils() {}
 };