Add a field trial to enable out-of-process V8 pac.

chrome/common/chrome_switches.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/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 273 matching lines @@
 // Disables the menu on the NTP for accessing sessions from other devices.
 const char kDisableNTPOtherSessionsMenu[]   = "disable-ntp-other-sessions-menu";
 
 // Disable auto-reload of error pages if offline.
 const char kDisableOfflineAutoReload[]       = "disable-offline-auto-reload";
 
 // Disable only auto-reloading error pages when the tab is visible.
 const char kDisableOfflineAutoReloadVisibleOnly[] =
     "disable-offline-auto-reload-visible-only";
 
+// Disable out-of-process V8 proxy resolver.
+const char kDisableOutOfProcessPac[] = "disable-out-of-process-pac";
+
 // Disable the setting to prompt the user for their OS account password before
 // revealing plaintext passwords in the password manager.
 const char kDisablePasswordManagerReauthentication[] =
     "disable-password-manager-reauthentication";
 
 // Disable the new material UI - requires out of process PDF plugin.
 const char kDisablePdfMaterialUI[]          = "disable-pdf-material-ui";
 
 // Don't use bubbles for content permissions requests instead of infobars.
 const char kDisablePermissionsBubbles[]      = "disable-permissions-bubbles";
@@ skipping 1065 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches