Cleanup: Remove unneeded browser_thread.h includes.

chrome/browser/component_updater/component_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/component_updater/component_unpacker.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
+#include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/scoped_handle.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chrome/browser/component_updater/component_patcher.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
 #include "chrome/common/extensions/extension_constants.h"
-#include "content/public/browser/browser_thread.h"
 #include "crypto/secure_hash.h"
 #include "crypto/signature_verifier.h"
 #include "extensions/common/crx_file.h"
 #include "third_party/zlib/google/zip.h"
 
 using crypto::SecureHash;
 
 namespace component_updater {
 
 namespace {
@@ skipping 235 matching lines @@
 }
 
 base::WeakPtr<ComponentUnpacker> ComponentUnpacker::GetWeakPtr() {
   return ptr_factory_.GetWeakPtr();
 }
 
 ComponentUnpacker::~ComponentUnpacker() {
 }
 
 }  // namespace component_updater