Fix memory errors in ComponentUpdater::ComponentUpdater().

chrome/browser/component_updater/component_unpacker.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 "chrome/browser/component_updater/component_unpacker.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
@@ skipping 73 matching lines @@
                              sizeof(extension_misc::kSignatureAlgorithm),
                              &signature[0], signature.size(),
                              &key[0], key.size())) {
       // Signature verification initialization failed. This is most likely
       // caused by a public key in the wrong format (should encode algorithm).
       result_ = kWrongKeyFormat;
       return;
     }
 
     const size_t kBufSize = 8 * 1024;
-    scoped_ptr<uint8> buf(new uint8[kBufSize]);
+    scoped_array<uint8> buf(new uint8[kBufSize]);
     while ((len = fread(buf.get(), 1, kBufSize, crx_file)) > 0)
       verifier.VerifyUpdate(buf.get(), len);
 
     if (!verifier.VerifyFinal()) {
       result_ = kSignatureMismatch;
       return;
     }
 
     public_key_.swap(key);
     result_ = kValid;
@@ skipping 96 matching lines @@
   }
   // Installation succesful. The directory is not our concern now.
   unpack_path_.clear();
 }
 
 ComponentUnpacker::~ComponentUnpacker() {
   if (!unpack_path_.empty()) {
     file_util::Delete(unpack_path_, true);
   }
 }
-