Coverity: Initialize member variables.

crypto/signature_creator_mac.cc

 // Copyright (c) 2011 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 "crypto/signature_creator.h"
 
 #include <stdlib.h>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 19 matching lines @@
 
   crtn = CSSM_SignDataInit(result->sig_handle_);
   if (crtn) {
     NOTREACHED();
     return NULL;
   }
 
   return result.release();
 }
 
-SignatureCreator::SignatureCreator() : sig_handle_(0) {
+SignatureCreator::SignatureCreator() : key_(NULL), sig_handle_(0) {
   EnsureCSSMInit();
 }
 
 SignatureCreator::~SignatureCreator() {
   CSSM_RETURN crtn;
   if (sig_handle_) {
     crtn = CSSM_DeleteContext(sig_handle_);
     DCHECK_EQ(CSSM_OK, crtn);
   }
 }
@@ skipping 14 matching lines @@
   if (crtn) {
     NOTREACHED();
     return false;
   }
 
   signature->assign(sig->Data, sig->Data + sig->Length);
   return true;
 }
 
 }  // namespace crypto