i18n of Zoom % to use locally correct numeric glyphs

base/i18n/number_formatting.h

Index: base/i18n/number_formatting.h
diff --git a/base/i18n/number_formatting.h b/base/i18n/number_formatting.h
index bdb862f21a67754481cebec79b87a044dbb21be5..6a1b44383ac6f06483a6a7689305b7a5de1caa1b 100644
--- a/base/i18n/number_formatting.h
+++ b/base/i18n/number_formatting.h
@@ -22,6 +22,17 @@ BASE_I18N_EXPORT string16 FormatNumber(int64_t number);
 //         => "1,234,567.8" in English, "1.234.567,8" in German
 BASE_I18N_EXPORT string16 FormatDouble(double number, int fractional_digits);
 
+// Return a percent formatted with space and symbol in the user's locale.
+// Ex: FormatPercent(12)
+//         => "12%" in English, "12 %" in Romanian
+BASE_I18N_EXPORT string16 FormatPercent(int number);
+
+// Same as above, except that it takes a fractional decimal value.
+// Ex: FormatPercent(.1234, 2)
+//         => "12.34%" in English, "12,34 %" in Romanian
+BASE_I18N_EXPORT string16 FormatPercentFromDouble(double number,
+                                                  int fractional_digits);
+
 namespace testing {
 
 // Causes cached formatters to be discarded and recreated. Only useful for