Use size_t in crypto::SignatureVerifier.

extensions/browser/verified_contents.cc

 // Copyright 2014 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 "extensions/browser/verified_contents.h"
 
 #include <stddef.h>
 
 #include "base/base64url.h"
 #include "base/files/file_util.h"
@@ skipping 44 matching lines @@
       return dictionary;
   }
   return NULL;
 }
 
 }  // namespace
 
 namespace extensions {
 
 VerifiedContents::VerifiedContents(const uint8_t* public_key,
-                                   int public_key_size)
+                                   size_t public_key_size)
     : public_key_(public_key),
       public_key_size_(public_key_size),
       valid_signature_(false),  // Guilty until proven innocent.
       block_size_(0) {}
 
 VerifiedContents::~VerifiedContents() {
 }
 
 // The format of the payload json is:
 // {
@@ skipping 241 matching lines @@
       reinterpret_cast<const uint8_t*>(payload.data()), payload.size());
 
   if (!signature_verifier.VerifyFinal()) {
     VLOG(1) << "Could not verify signature - VerifyFinal failure";
     return false;
   }
   return true;
 }
 
 }  // namespace extensions