Move the number conversions from string_util to a new file....

webkit/tools/test_shell/node_leak_test.cc

Index: webkit/tools/test_shell/node_leak_test.cc
===================================================================
--- webkit/tools/test_shell/node_leak_test.cc	(revision 54340)
+++ webkit/tools/test_shell/node_leak_test.cc	(working copy)
@@ -5,6 +5,7 @@
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/path_service.h"
+#include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "net/http/http_cache.h"
 #include "net/url_request/url_request_context.h"
@@ -42,9 +43,9 @@
     if (parsed_command_line.HasSwitch(test_shell::kTestShellTimeOut)) {
       const std::wstring timeout_str = parsed_command_line.GetSwitchValue(
           test_shell::kTestShellTimeOut);
-      int timeout_ms =
-          static_cast<int>(StringToInt64(WideToUTF16Hack(timeout_str.c_str())));
-      if (timeout_ms > 0)
+      int timeout_ms;
+      if (base::StringToInt(WideToUTF8(timeout_str), &timeout_ms) &&
+          timeout_ms > 0)
         TestShell::SetFileTestTimeout(timeout_ms);
     }