Pass the renderer a11y flag to Chrome Frame-created renderers....

chrome_frame/chrome_frame_automation.cc

 // Copyright (c) 2009 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/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/file_version_info.h"
@@ skipping 216 matching lines @@
 
   // The metrics bug out because they attempt to use URLFetcher with a
   // null URLRequestContext::default_request_context_. Turn them off for now.
   // TODO(robertshield): Figure out why this is. It appears to have something
   // to do with an improperly set up profile...
   command_line->AppendSwitch(switches::kDisableMetrics);
 
   // Chrome Frame never wants Chrome to start up with a First Run UI.
   command_line->AppendSwitch(switches::kNoFirstRun);
 
+  command_line->AppendSwitch(switches::kEnableRendererAccessibility);
+
   // Place the profile directory in
   // "<chrome_exe_path>\..\User Data\<profile-name>"
   if (!entry->profile_name.empty()) {
     std::wstring profile_path;
     if (GetUserProfileBaseDirectory(&profile_path)) {
       file_util::AppendToPath(&profile_path, entry->profile_name);
       command_line->AppendSwitchWithValue(switches::kUserDataDir,
           profile_path);
     } else {
       // Can't get the profile dir :-( We need one to work, so fail.
@@ skipping 724 matching lines @@
   return true;
 }
 
 void ChromeFrameAutomationClient::AttachExternalTab(
     intptr_t external_tab_cookie) {
   DCHECK(tab_.get() == NULL);
   DCHECK(tab_handle_ == -1);
 
   external_tab_cookie_ = external_tab_cookie;
 }