libaddressinput - one less copy when downloading data

net/url_request/test_url_fetcher_factory.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 "net/url_request/test_url_fetcher_factory.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "net/base/host_port_pair.h"
+#include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_fetcher_impl.h"
 #include "net/url_request/url_fetcher_response_writer.h"
 #include "net/url_request/url_request_status.h"
 
 namespace net {
 
 ScopedURLFetcherFactory::ScopedURLFetcherFactory(
@@ skipping 124 matching lines @@
     const base::FilePath& file_path,
     scoped_refptr<base::SequencedTaskRunner> file_task_runner) {
 }
 
 void TestURLFetcher::SaveResponseToTemporaryFile(
     scoped_refptr<base::SequencedTaskRunner> file_task_runner) {
 }
 
 void TestURLFetcher::SaveResponseWithWriter(
     scoped_ptr<URLFetcherResponseWriter> response_writer) {
+  if (fake_response_destination_ == STRING) {
+    response_writer_ = response_writer.Pass();
+    int response = response_writer_->Initialize(CompletionCallback());
+    // The TestURLFetcher doesn't handle asynchronous writes.
+    DCHECK_EQ(OK, response);
+
+    scoped_refptr<IOBuffer> buffer(new StringIOBuffer(fake_response_string_));
+    response = response_writer_->Write(buffer.get(),
+                                       fake_response_string_.size(),
+                                       CompletionCallback());
+    DCHECK_EQ(OK, response);
+    response = response_writer_->Finish(CompletionCallback());
+    DCHECK_EQ(OK, response);
+  } else {
+    NOTIMPLEMENTED();
+  }
 }
 
 HttpResponseHeaders* TestURLFetcher::GetResponseHeaders() const {
   return fake_response_headers_.get();
 }
 
 HostPortPair TestURLFetcher::GetSocketAddress() const {
   NOTIMPLEMENTED();
   return HostPortPair();
 }
@@ skipping 233 matching lines @@
 
 URLFetcher* URLFetcherImplFactory::CreateURLFetcher(
     int id,
     const GURL& url,
     URLFetcher::RequestType request_type,
     URLFetcherDelegate* d) {
   return new URLFetcherImpl(url, request_type, d);
 }
 
 }  // namespace net