Use ASCII strings for switch names.

base/debug_on_start.cc

Index: base/debug_on_start.cc
diff --git a/base/debug_on_start.cc b/base/debug_on_start.cc
index c7d414965e07279bbfb5699945ef78eddc740532..9011ca200eccd6611e31802d757dbcb508993cc2 100644
--- a/base/debug_on_start.cc
+++ b/base/debug_on_start.cc
@@ -16,8 +16,12 @@
 // The code is not that bright and will find things like ---argument or
 // /-/argument.
 // Note: command_line is non-destructively modified.
-bool DebugOnStart::FindArgument(wchar_t* command_line, const wchar_t* argument)
+bool DebugOnStart::FindArgument(wchar_t* command_line, const char* argument_c)
 {
+  wchar_t argument[50];
+  for (int i = 0; argument_c[i]; ++i)
+    argument[i] = argument_c[i];
+
   int argument_len = lstrlen(argument);
   int command_line_len = lstrlen(command_line);
   while (command_line_len > argument_len) {