Convert CryptoFramer::ConstructHandshakeMessage to return unique_ptr

gfe-relnote: Use unique_ptr for memory management rather than bare pointer. No functional change intended, not flag-protected.
PiperOrigin-RevId: 238454581
Change-Id: I2f0875854d8bc1983c2e5197abab7741d1985028
diff --git a/quic/core/crypto/crypto_framer_test.cc b/quic/core/crypto/crypto_framer_test.cc
index d72355c..4ca98a5 100644
--- a/quic/core/crypto/crypto_framer_test.cc
+++ b/quic/core/crypto/crypto_framer_test.cc
@@ -79,7 +79,7 @@
   };
 
   CryptoFramer framer;
-  std::unique_ptr<QuicData> data(framer.ConstructHandshakeMessage(message));
+  std::unique_ptr<QuicData> data = framer.ConstructHandshakeMessage(message);
   ASSERT_TRUE(data != nullptr);
   test::CompareCharArraysWithHexError("constructed packet", data->data(),
                                       data->length(), AsChars(packet),
@@ -114,7 +114,7 @@
   };
 
   CryptoFramer framer;
-  std::unique_ptr<QuicData> data(framer.ConstructHandshakeMessage(message));
+  std::unique_ptr<QuicData> data = framer.ConstructHandshakeMessage(message);
   ASSERT_TRUE(data != nullptr);
 
   test::CompareCharArraysWithHexError("constructed packet", data->data(),
@@ -141,7 +141,7 @@
   };
 
   CryptoFramer framer;
-  std::unique_ptr<QuicData> data(framer.ConstructHandshakeMessage(message));
+  std::unique_ptr<QuicData> data = framer.ConstructHandshakeMessage(message);
   ASSERT_TRUE(data != nullptr);
 
   test::CompareCharArraysWithHexError("constructed packet", data->data(),
@@ -157,7 +157,7 @@
   }
 
   CryptoFramer framer;
-  std::unique_ptr<QuicData> data(framer.ConstructHandshakeMessage(message));
+  std::unique_ptr<QuicData> data = framer.ConstructHandshakeMessage(message);
   EXPECT_TRUE(data == nullptr);
 }
 
@@ -191,7 +191,7 @@
   };
 
   CryptoFramer framer;
-  std::unique_ptr<QuicData> data(framer.ConstructHandshakeMessage(message));
+  std::unique_ptr<QuicData> data = framer.ConstructHandshakeMessage(message);
   ASSERT_TRUE(data != nullptr);
 
   test::CompareCharArraysWithHexError("constructed packet", data->data(),
@@ -227,7 +227,7 @@
   };
 
   CryptoFramer framer;
-  std::unique_ptr<QuicData> data(framer.ConstructHandshakeMessage(message));
+  std::unique_ptr<QuicData> data = framer.ConstructHandshakeMessage(message);
   ASSERT_TRUE(data != nullptr);
 
   test::CompareCharArraysWithHexError("constructed packet", data->data(),