Revert 257524 "Move IsStringASCII/UTF8 to base namespace."

trunk/src/content/browser/indexed_db/indexed_db_backing_store.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 "content/browser/indexed_db/indexed_db_backing_store.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_piece.h"
@@ skipping 511 matching lines @@
     bool* is_disk_full,
     LevelDBFactory* leveldb_factory) {
   IDB_TRACE("IndexedDBBackingStore::Open");
   DCHECK(!path_base.empty());
   *data_loss = blink::WebIDBDataLossNone;
   *data_loss_message = "";
   *is_disk_full = false;
 
   scoped_ptr<LevelDBComparator> comparator(new Comparator());
 
-  if (!base::IsStringASCII(path_base.AsUTF8Unsafe())) {
+  if (!IsStringASCII(path_base.AsUTF8Unsafe())) {
     HistogramOpenStatus(INDEXED_DB_BACKING_STORE_OPEN_ATTEMPT_NON_ASCII,
                         origin_url);
   }
   if (!base::CreateDirectory(path_base)) {
     LOG(ERROR) << "Unable to create IndexedDB database path "
                << path_base.AsUTF8Unsafe();
     HistogramOpenStatus(INDEXED_DB_BACKING_STORE_OPEN_FAILED_DIRECTORY,
                         origin_url);
     return scoped_refptr<IndexedDBBackingStore>();
   }
@@ skipping 2101 matching lines @@
 }
 
 void IndexedDBBackingStore::Transaction::Rollback() {
   IDB_TRACE("IndexedDBBackingStore::Transaction::Rollback");
   DCHECK(transaction_.get());
   transaction_->Rollback();
   transaction_ = NULL;
 }
 
 }  // namespace content