Catching more errors when parsing ICE server URLs.

webrtc/base/stringencode.h

Index: webrtc/base/stringencode.h
diff --git a/webrtc/base/stringencode.h b/webrtc/base/stringencode.h
index 0b9ed0e87566d7510ac272e8385a370b8cc8bd49..8f78ad1a6409b2ccc143656ee9ed6b5dfa07b5a9 100644
--- a/webrtc/base/stringencode.h
+++ b/webrtc/base/stringencode.h
@@ -146,6 +146,11 @@ size_t split(const std::string& source, char delimiter,
 size_t tokenize(const std::string& source, char delimiter,
                 std::vector<std::string>* fields);
 
+// Tokenize, including the empty tokens.
+size_t tokenize_with_empty_tokens(const std::string& source,
+                                  char delimiter,
+                                  std::vector<std::string>* fields);
+
 // Tokenize and append the tokens to fields. Return the new size of fields.
 size_t tokenize_append(const std::string& source, char delimiter,
                        std::vector<std::string>* fields);