Move language detection to a component

components/translate/common/translate_switches.h

Index: components/translate/common/translate_switches.h
diff --git a/components/translate/common/translate_switches.h b/components/translate/common/translate_switches.h
new file mode 100644
index 0000000000000000000000000000000000000000..2b42bb55d46235bceb7b549e96a5fe7778b3bab9
--- /dev/null
+++ b/components/translate/common/translate_switches.h
@@ -0,0 +1,16 @@
+// Copyright 2013 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.
+
+#ifndef COMPONENTS_TRANSLATE_COMMON_TRANSLATE_SWITCHES_H_
+#define COMPONENTS_TRANSLATE_COMMON_TRANSLATE_SWITCHES_H_
+
+namespace translate {
+namespace switches {
+
+extern const char kTranslateSecurityOrigin[];
+
+}  // namespace switches
+}  // namespace translate
+
+#endif  // COMPONENTS_TRANSLATE_COMMON_TRANSLATE_SWITCHES_H_