Remove legacy StartsWithASCII function.

storage/browser/fileapi/sandbox_origin_database.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 "storage/browser/fileapi/sandbox_origin_database.h"
 
 #include <set>
 #include <utility>
 
 #include "base/files/file_enumerator.h"
@@ skipping 273 matching lines @@
     std::vector<OriginRecord>* origins) {
   DCHECK(origins);
   if (!Init(CREATE_IF_NONEXISTENT, REPAIR_ON_CORRUPTION)) {
     origins->clear();
     return false;
   }
   scoped_ptr<leveldb::Iterator> iter(db_->NewIterator(leveldb::ReadOptions()));
   std::string origin_key_prefix = OriginToOriginKey(std::string());
   iter->Seek(origin_key_prefix);
   origins->clear();
-  while (iter->Valid() && base::StartsWithASCII(iter->key().ToString(),
-                                                origin_key_prefix, true)) {
+  while (iter->Valid() && base::StartsWith(iter->key().ToString(),
+                                           origin_key_prefix,
+                                           base::CompareCase::SENSITIVE)) {
     std::string origin =
       iter->key().ToString().substr(origin_key_prefix.length());
     base::FilePath path = StringToFilePath(iter->value().ToString());
     origins->push_back(OriginRecord(origin, path));
     iter->Next();
   }
   return true;
 }
 
 void SandboxOriginDatabase::DropDatabase() {
@@ skipping 34 matching lines @@
       db_->Put(leveldb::WriteOptions(), LastPathKey(), std::string("-1"));
   if (!status.ok()) {
     HandleError(FROM_HERE, status);
     return false;
   }
   *number = -1;
   return true;
 }
 
 }  // namespace storage