Move BrowserThread to content namespace.

chrome/browser/extensions/extension_settings_leveldb_storage.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/extensions/extension_settings_leveldb_storage.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/sys_string_conversions.h"
 #include "content/public/browser/browser_thread.h"
 #include "third_party/leveldatabase/src/include/leveldb/iterator.h"
 #include "third_party/leveldatabase/src/include/leveldb/write_batch.h"
 
+using content::BrowserThread;
+
 namespace {
 
 // Generic error message sent to extensions on failure.
 const char* kGenericOnFailureMessage = "Extension settings failed";
 
 // Scoped leveldb snapshot which releases the snapshot on destruction.
 class ScopedSnapshot {
  public:
   explicit ScopedSnapshot(leveldb::DB* db)
       : db_(db), snapshot_(db->GetSnapshot()) {}
@@ skipping 288 matching lines @@
   scoped_ptr<leveldb::Iterator> it(db_->NewIterator(leveldb::ReadOptions()));
 
   it->SeekToFirst();
   bool is_empty = !it->Valid();
   if (!it->status().ok()) {
     LOG(ERROR) << "Checking DB emptiness failed: " << it->status().ToString();
     return false;
   }
   return is_empty;
 }