Add a switch to prevent logging redirection on chromeos.

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"
 #include "build/build_config.h"
 #include "ppapi/features/features.h"
@@ skipping 922 matching lines @@
     "tab-management-experiment-type-elderberry";
 
 // Custom WebAPK server URL for the sake of testing.
 const char kWebApkServerUrl[] = "webapk-server-url";
 #endif  // defined(OS_ANDROID)
 
 #if defined(OS_CHROMEOS)
 // Custom crosh command.
 const char kCroshCommand[] = "crosh-command";
 
+// Disables logging redirect for testing.
+const char kDisableLoggingRedirect[] = "disable-logging-redirect";
+
 // Disables apps on the login screen. By default, they are allowed and can be
 // installed through policy.
 const char kDisableLoginScreenApps[] = "disable-login-screen-apps";
 
 // Disables native cups integration
 const char kDisableNativeCups[] = "disable-native-cups";
 #endif  // defined(OS_CHROMEOS)
 
 #if defined(USE_ASH)
 const char kOpenAsh[]                       = "open-ash";
@@ skipping 236 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR VERY NICE FLAGS 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