Refactor some more BrowserMain code. Move core code that's required by all embedders to content.

content/common/content_switches.cc

 // Copyright (c) 2011 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 "content/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 485 matching lines @@
 
 // The same as kAuditHandles except all handles are enumerated.
 const char kAuditAllHandles[]               = "enable-handle-auditing-all";
 #endif
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 // Specify the amount the trackpad should scroll by.
 const char kScrollPixels[]                  = "scroll-pixels";
 #endif
 
+#if defined(OS_MACOSX) || defined(OS_WIN)
+// Use the system SSL library (Secure Transport on Mac, SChannel on Windows)
+// instead of NSS for SSL.
+const char kUseSystemSSL[]                  = "use-system-ssl";
+#endif
+
 #if !defined(OFFICIAL_BUILD)
 // Causes the renderer process to throw an assertion on launch.
 const char kRendererCheckFalseTest[]        = "renderer-check-false-test";
 #endif
 
 }  // namespace switches