Revert 239921 "Revert 239759 "The comment in base64.h implies th..."

trunk/src/google_apis/cup/client_update_protocol.cc

Index: trunk/src/google_apis/cup/client_update_protocol.cc
===================================================================
--- trunk/src/google_apis/cup/client_update_protocol.cc	(revision 239942)
+++ trunk/src/google_apis/cup/client_update_protocol.cc	(working copy)
@@ -122,8 +122,7 @@
 // needed.  Call the standard Base64 encoder/decoder and then apply fixups.
 std::string UrlSafeB64Encode(const std::vector<uint8>& data) {
   std::string result;
-  if (!base::Base64Encode(ByteVectorToSP(data), &result))
-    return std::string();
+  base::Base64Encode(ByteVectorToSP(data), &result);
 
   // Do an tr|+/|-_| on the output, and strip any '=' padding.
   for (std::string::iterator it = result.begin(); it != result.end(); ++it) {
@@ -302,4 +301,3 @@
 
   return true;
 }
-