Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

mojo/services/launcher/launcher.cc

Index: mojo/services/launcher/launcher.cc
diff --git a/mojo/services/launcher/launcher.cc b/mojo/services/launcher/launcher.cc
index b24d232b30328e7a3f6690a5830409e8feec355b..8273d4c56a9c5a931f95e075a01cd94037e1cde2 100644
--- a/mojo/services/launcher/launcher.cc
+++ b/mojo/services/launcher/launcher.cc
@@ -58,7 +58,7 @@ class LaunchInstance {
       base::StringTokenizer t(headers[i], ": ;=");
       while (t.GetNext()) {
         if (!t.token_is_delim() &&
-            LowerCaseEqualsASCII(t.token(), "content-type")) {
+            base::LowerCaseEqualsASCII(t.token(), "content-type")) {
           while (t.GetNext()) {
             if (!t.token_is_delim())
               return t.token();