Localize strings, speeds.

base/i18n/number_formatting.cc

Index: base/i18n/number_formatting.cc
diff --git a/base/i18n/number_formatting.cc b/base/i18n/number_formatting.cc
index a529a84651b9e646261ccfb9a90db5a3115d6b66..986f1ed1f6331b9b607a6fc11115e7c7cba6ea72 100644
--- a/base/i18n/number_formatting.cc
+++ b/base/i18n/number_formatting.cc
@@ -34,10 +34,15 @@ struct NumberFormatWrapper {
 
 }  // namespace
 
-static LazyInstance<NumberFormatWrapper> g_number_format(LINKER_INITIALIZED);
+static
+LazyInstance<NumberFormatWrapper> g_number_format_int(LINKER_INITIALIZED);
+
+static
+LazyInstance<NumberFormatWrapper> g_number_format_float(LINKER_INITIALIZED);
 
 string16 FormatNumber(int64 number) {
-  icu::NumberFormat* number_format = g_number_format.Get().number_format.get();
+  icu::NumberFormat* number_format =
+      g_number_format_int.Get().number_format.get();
 
   if (!number_format) {
     // As a fallback, just return the raw number in a string.
@@ -49,4 +54,20 @@ string16 FormatNumber(int64 number) {
   return string16(ustr.getBuffer(), static_cast<size_t>(ustr.length()));
 }
 
+string16 FormatDouble(double number, int fractional_digits) {
+  icu::NumberFormat* number_format =
+      g_number_format_float.Get().number_format.get();
+
+  if (!number_format) {
+    // As a fallback, just return the raw number in a string.
+    return UTF8ToUTF16(StringPrintf("%f", number));
+  }
+  number_format->setMaximumFractionDigits(fractional_digits);
+  number_format->setMinimumFractionDigits(fractional_digits);
+  icu::UnicodeString ustr;
+  number_format->format(number, ustr);
+
+  return string16(ustr.getBuffer(), static_cast<size_t>(ustr.length()));
+}
+
 }  // namespace base