Use of base::StringPairs appropriately in net/test/embedded_test_server/http_response.h

Bescause base/strings/string_split.h defines:
typedef std::vector<std::pair<std::string, std::string> > StringPairs;

BUG=412250

Review URL: https://codereview.chromium.org/1114843004

Cr-Commit-Position: refs/heads/master@{#327570}
1 file changed