Fix remaining incompatibilities between scoped_ptr and unique_ptr.

net/cert/internal/signature_algorithm_unittest.cc

Index: net/cert/internal/signature_algorithm_unittest.cc
diff --git a/net/cert/internal/signature_algorithm_unittest.cc b/net/cert/internal/signature_algorithm_unittest.cc
index 32f5a0fc62916075f447aeeef9fc5ade5a592c0f..0336c57925526906e6e98da26a93bf61810fc195 100644
--- a/net/cert/internal/signature_algorithm_unittest.cc
+++ b/net/cert/internal/signature_algorithm_unittest.cc
@@ -21,7 +21,7 @@ namespace {
 template <size_t N>
 bool ParseDer(const uint8_t(&data)[N], scoped_ptr<SignatureAlgorithm>* out) {
   *out = SignatureAlgorithm::CreateFromDer(der::Input(data, N));
-  return *out;
+  return !!*out;
 }
 
 // Parses a SignatureAlgorithm given an empty DER input.