Address Andrei's comments from CL 3164002

chrome/browser/speech/speech_recognition_request.cc

 // Copyright (c) 2010 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/speech/speech_recognition_request.h"
 
 #include "base/json/json_reader.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 90 matching lines @@
   DCHECK(delegate);
 }
 
 bool SpeechRecognitionRequest::Send(const std::string& audio_data) {
   DCHECK(!url_fetcher_.get());
 
   url_fetcher_.reset(URLFetcher::Create(
       url_fetcher_id_for_tests, url_, URLFetcher::POST, this));
   url_fetcher_->set_upload_data(kMimeRawAudio, audio_data);
   url_fetcher_->set_request_context(url_context_);
+
+  // The speech recognition API does not require user identification as part
+  // of requests, so we don't send cookies or auth data for these requests to
+  // prevent any accidental connection between users who are logged into the
+  // domain for other services (e.g. bookmark sync) with the speech requests.
   url_fetcher_->set_load_flags(
-      net::LOAD_BYPASS_CACHE | net::LOAD_DISABLE_CACHE |
       net::LOAD_DO_NOT_SAVE_COOKIES | net::LOAD_DO_NOT_SEND_COOKIES |
       net::LOAD_DO_NOT_SEND_AUTH_DATA);
   url_fetcher_->Start();
   return true;
 }
 
 void SpeechRecognitionRequest::OnURLFetchComplete(
     const URLFetcher* source,
     const GURL& url,
     const URLRequestStatus& status,
     int response_code,
     const ResponseCookies& cookies,
     const std::string& data) {
   DCHECK_EQ(url_fetcher_.get(), source);
   DCHECK(url_.possibly_invalid_spec() == url.possibly_invalid_spec());
 
   bool error = !status.is_success() || response_code != 200;
   string16 value;
   if (!error)
     error = !ParseServerResponse(data, &value);
   url_fetcher_.reset();
 
   DLOG(INFO) << "SpeechRecognitionRequest: Invoking delegate with result.";
   delegate_->SetRecognitionResult(error, value);
 }
 
 }  // namespace speech_input