Add StringToUint and StringToUint64 methods to base/string_number_conversions.h.

base/string_number_conversions.cc

Index: base/string_number_conversions.cc
diff --git a/base/string_number_conversions.cc b/base/string_number_conversions.cc
index 1d82c5d638403df1145353122279dbca2be7180c..41319b35fd66dbaad3d709416a0c22b3f45b5beb 100644
--- a/base/string_number_conversions.cc
+++ b/base/string_number_conversions.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -402,6 +402,14 @@ bool StringToInt(const StringPiece16& input, int* output) {
   return String16ToIntImpl(input, output);
 }
 
+bool StringToUint(const StringPiece& input, unsigned* output) {
+  return StringToIntImpl(input, output);
+}
+
+bool StringToUint(const StringPiece16& input, unsigned* output) {
+  return String16ToIntImpl(input, output);
+}
+
 bool StringToInt64(const StringPiece& input, int64* output) {
   return StringToIntImpl(input, output);
 }
@@ -410,6 +418,14 @@ bool StringToInt64(const StringPiece16& input, int64* output) {
   return String16ToIntImpl(input, output);
 }
 
+bool StringToUint64(const StringPiece& input, uint64* output) {
+  return StringToIntImpl(input, output);
+}
+
+bool StringToUint64(const StringPiece16& input, uint64* output) {
+  return String16ToIntImpl(input, output);
+}
+
 bool StringToDouble(const std::string& input, double* output) {
   errno = 0;  // Thread-safe?  It is on at least Mac, Linux, and Windows.
   char* endptr = NULL;