Fixes for re-enabling more MSVC level 4 warnings: net/quic/ edition

net/quic/crypto/local_strike_register_client_test.cc

Index: net/quic/crypto/local_strike_register_client_test.cc
diff --git a/net/quic/crypto/local_strike_register_client_test.cc b/net/quic/crypto/local_strike_register_client_test.cc
index 268e714d612127ecc9b6c97380ee9843e6c8a431..322a106c375c48d82fd2f59ae402fcace32a9a9b 100644
--- a/net/quic/crypto/local_strike_register_client_test.cc
+++ b/net/quic/crypto/local_strike_register_client_test.cc
@@ -83,8 +83,8 @@ TEST_F(LocalStrikeRegisterClientTest, IncorrectNonceLength) {
 
   {
     // Validation fails if you remove a byte from the nonce.
-    bool called;
-    bool is_valid;
+    bool called = false;
+    bool is_valid = false;
     string short_nonce = valid_nonce.substr(0, valid_nonce.length() - 1);
     strike_register_->VerifyNonceIsValidAndUnique(
         short_nonce,
@@ -96,8 +96,8 @@ TEST_F(LocalStrikeRegisterClientTest, IncorrectNonceLength) {
 
   {
     // Validation fails if you add a byte to the nonce.
-    bool called;
-    bool is_valid;
+    bool called = false;
+    bool is_valid = false;
     string long_nonce(valid_nonce);
     long_nonce.append("a");
     strike_register_->VerifyNonceIsValidAndUnique(
@@ -110,8 +110,8 @@ TEST_F(LocalStrikeRegisterClientTest, IncorrectNonceLength) {
 
   {
     // Verify that the base nonce validates was valid.
-    bool called;
-    bool is_valid;
+    bool called = false;
+    bool is_valid = false;
     strike_register_->VerifyNonceIsValidAndUnique(
         valid_nonce,
         QuicWallTime::FromUNIXSeconds(kCurrentTimeExternalSecs),