Relanding 49339 ...

chrome_frame/chrome_frame_automation.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_frame/chrome_frame_automation.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/trace_event.h"
@@ skipping 278 matching lines @@
   command_line->AppendSwitch(switches::kNoFirstRun);
 
   command_line->AppendSwitch(switches::kDisablePopupBlocking);
 
   // Disable the "Whoa! Chrome has crashed." dialog, because that isn't very
   // useful for Chrome Frame users.
 #ifndef NDEBUG
   command_line->AppendSwitch(switches::kNoErrorDialogs);
 #endif
 
-  command_line->AppendSwitch(switches::kEnableRendererAccessibility);
-
   // In headless mode runs like reliability test runs we want full crash dumps
   // from chrome.
   if (IsHeadlessMode())
     command_line->AppendSwitch(switches::kFullMemoryCrashReport);
 
   DLOG(INFO) << "Profile path: " << params.profile_path.value();
   command_line->AppendSwitchWithValue(switches::kUserDataDir,
       params.profile_path.value());
 
   std::wstring command_line_string(command_line->command_line_string());
@@ skipping 946 matching lines @@
     const URLRequestStatus& status) {
   automation_server_->Send(new AutomationMsg_RequestEnd(0, tab_->handle(),
       request_id, status));
 }
 
 void ChromeFrameAutomationClient::OnCookiesRetrieved(bool success,
     const GURL& url, const std::string& cookie_string, int cookie_id) {
   automation_server_->Send(new AutomationMsg_GetCookiesHostResponse(0,
       tab_->handle(), success, url, cookie_string, cookie_id));
 }