Componentize component_updater: Split crx_file code off into its own component.

chrome/browser/extensions/sandboxed_unpacker.cc

 // Copyright (c) 2012 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/extensions/sandboxed_unpacker.h"
 
 #include <set>
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_util_proxy.h"
 #include "base/files/scoped_file.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/path_service.h"
 #include "base/sequenced_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "chrome/common/extensions/chrome_utility_extensions_messages.h"
 #include "chrome/common/extensions/extension_file_util.h"
+#include "components/crx_file/constants.h"
+#include "components/crx_file/crx_file.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/utility_process_host.h"
 #include "content/public/common/common_param_traits.h"
 #include "crypto/signature_verifier.h"
 #include "extensions/common/constants.h"
-#include "extensions/common/crx_file.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_l10n_util.h"
 #include "extensions/common/file_util.h"
 #include "extensions/common/id_util.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/manifest_handlers/icons_handler.h"
 #include "grit/generated_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/codec/png_codec.h"
 
 using base::ASCIIToUTF16;
 using content::BrowserThread;
 using content::UtilityProcessHost;
+using crx_file::CrxFile;
 
 // The following macro makes histograms that record the length of paths
 // in this file much easier to read.
 // Windows has a short max path length. If the path length to a
 // file being unpacked from a CRX exceeds the max length, we might
 // fail to install. To see if this is happening, see how long the
 // path to the temp unpack directory is. See crbug.com/69693 .
 #define PATH_LENGTH_HISTOGRAM(name, path) \
     UMA_HISTOGRAM_CUSTOM_COUNTS(name, path.value().length(), 0, 500, 100)
 
@@ skipping 477 matching lines @@
     // Invalid signature
     ReportFailure(
         CRX_SIGNATURE_INVALID,
         l10n_util::GetStringFUTF16(
             IDS_EXTENSION_PACKAGE_ERROR_CODE,
             ASCIIToUTF16("CRX_SIGNATURE_INVALID")));
     return false;
   }
 
   crypto::SignatureVerifier verifier;
-  if (!verifier.VerifyInit(extension_misc::kSignatureAlgorithm,
-                           sizeof(extension_misc::kSignatureAlgorithm),
+  if (!verifier.VerifyInit(crx_file::kSignatureAlgorithm,
+                           sizeof(crx_file::kSignatureAlgorithm),
                            &signature.front(),
                            signature.size(),
                            &key.front(),
                            key.size())) {
     // Signature verification initialization failed. This is most likely
     // caused by a public key in the wrong format (should encode algorithm).
     ReportFailure(
         CRX_SIGNATURE_VERIFICATION_INITIALIZATION_FAILED,
         l10n_util::GetStringFUTF16(
             IDS_EXTENSION_PACKAGE_ERROR_CODE,
@@ skipping 270 matching lines @@
 
 void SandboxedUnpacker::Cleanup() {
   DCHECK(unpacker_io_task_runner_->RunsTasksOnCurrentThread());
   if (!temp_dir_.Delete()) {
     LOG(WARNING) << "Can not delete temp directory at "
                  << temp_dir_.path().value();
   }
 }
 
 }  // namespace extensions