Use scoped_ptr::Pass instead of scoped_ptr::PassAs<T>.

chrome/browser/history/web_history_service.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/history/web_history_service.h"
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/metrics/histogram.h"
@@ skipping 302 matching lines @@
     const QueryOptions& options,
     const WebHistoryService::QueryWebHistoryCallback& callback) {
   // Wrap the original callback into a generic completion callback.
   RequestImpl::CompletionCallback completion_callback = base::Bind(
       &WebHistoryService::QueryHistoryCompletionCallback, callback);
 
   GURL url = GetQueryUrl(text_query, options, server_version_info_);
   scoped_ptr<RequestImpl> request(
       new RequestImpl(profile_, url, completion_callback));
   request->Start();
-  return request.PassAs<Request>();
+  return request.Pass();
 }
 
 void WebHistoryService::ExpireHistory(
     const std::vector<ExpireHistoryArgs>& expire_list,
     const ExpireWebHistoryCallback& callback) {
   base::DictionaryValue delete_request;
   scoped_ptr<base::ListValue> deletions(new base::ListValue);
   base::Time now = base::Time::Now();
 
   for (std::vector<ExpireHistoryArgs>::const_iterator it = expire_list.begin();
@@ skipping 72 matching lines @@
     if (response_value)
       response_value->GetString("version_info", &server_version_info_);
   }
   callback.Run(response_value.get() && success);
   // Clean up from pending requests.
   pending_expire_requests_.erase(request);
   delete request;
 }
 
 }  // namespace history