Remove unused header zip.h

chrome/browser/component_updater/component_patcher_operation.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 "chrome/browser/component_updater/component_patcher_operation.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/memory_mapped_file.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/memory/scoped_handle.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/component_updater/component_patcher.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/utility_process_host.h"
 #include "courgette/courgette.h"
 #include "courgette/third_party/bsdiff.h"
 #include "crypto/secure_hash.h"
 #include "crypto/sha2.h"
 #include "crypto/signature_verifier.h"
 #include "extensions/common/crx_file.h"
 #include "ipc/ipc_message_macros.h"
-#include "third_party/zlib/google/zip.h"
 
 using crypto::SecureHash;
 
 namespace component_updater {
 
 namespace {
 
 const char kInput[] = "input";
 const char kOp[] = "op";
 const char kOutput[] = "output";
@@ skipping 359 matching lines @@
   if (error != ComponentUnpacker::kNone) {
     error_code += strategy_->GetErrorOffset();
   }
   callback_.Run(error, error_code);
   // The callback is no longer needed - it is best to release it in case it
   // contains a reference to this object.
   callback_.Reset();
 }
 
 }  // namespace component_updater