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

net/quic/crypto/local_strike_register_client_test.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/crypto/local_strike_register_client.h"
 
 #include <memory>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_piece.h"
@@ skipping 65 matching lines @@
 
 TEST_F(LocalStrikeRegisterClientTest, IncorrectNonceLength) {
   string valid_nonce;
   uint32 norder = htonl(kCurrentTimeExternalSecs);
   valid_nonce.assign(reinterpret_cast<const char*>(&norder), sizeof(norder));
   valid_nonce.append(string(reinterpret_cast<const char*>(kOrbit), kOrbitSize));
   valid_nonce.append(string(20, '\x17'));  // 20 'random' bytes.
 
   {
     // 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,
         QuicWallTime::FromUNIXSeconds(kCurrentTimeExternalSecs),
         new RecordResultCallback(&called, &is_valid));
     EXPECT_TRUE(called);
     EXPECT_FALSE(is_valid);
   }
 
   {
     // 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(
         long_nonce,
         QuicWallTime::FromUNIXSeconds(kCurrentTimeExternalSecs),
         new RecordResultCallback(&called, &is_valid));
     EXPECT_TRUE(called);
     EXPECT_FALSE(is_valid);
   }
 
   {
     // 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),
         new RecordResultCallback(&called, &is_valid));
     EXPECT_TRUE(called);
     EXPECT_TRUE(is_valid);
   }
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net