Cleanup: Remove unneeded browser_thread.h includes.

chrome/browser/chromeos/extensions/external_cache.cc

 // Copyright (c) 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/chromeos/extensions/external_cache.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/external_provider_impl.h"
 #include "chrome/browser/extensions/updater/extension_downloader.h"
 #include "chrome/common/extensions/extension_constants.h"
-#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/common/extension.h"
 #include "net/url_request/url_request_context_getter.h"
 
 namespace chromeos {
 
 ExternalCache::ExternalCache(const base::FilePath& cache_dir,
                              net::URLRequestContextGetter* request_context,
@@ skipping 52 matching lines @@
     if (!it.value().GetAsDictionary(&entry)) {
       NOTREACHED() << "ExternalCache found bad entry with type "
                    << it.value().GetType();
       continue;
     }
 
     std::string external_crx;
     if (entry->GetString(extensions::ExternalProviderImpl::kExternalCrx,
                          &external_crx) &&
         external_crx == path.value()) {
-
       std::string id = it.key();
       LOG(ERROR) << "ExternalCache extension at " << path.value()
                  << " failed to install, deleting it.";
       cached_extensions_->Remove(id, NULL);
       extensions_->Remove(id, NULL);
 
       local_cache_.RemoveExtension(id);
       UpdateExtensionLoader();
 
       // Don't try to DownloadMissingExtensions() from here,
@@ skipping 191 matching lines @@
   cached_extensions_->Set(id, entry);
   UpdateExtensionLoader();
 }
 
 std::string ExternalCache::Delegate::GetInstalledExtensionVersion(
     const std::string& id) {
   return std::string();
 }
 
 }  // namespace chromeos