Adds remote devtools support to cast_shell.

chromecast/common/pref_names.h

Index: chromecast/common/pref_names.h
diff --git a/components/translate/core/common/translate_pref_names.cc b/chromecast/common/pref_names.h
similarity index 53%
copy from components/translate/core/common/translate_pref_names.cc
copy to chromecast/common/pref_names.h
index 883f37e559bab7857f9aece6f33852139c67e12b..669f19d10e39a004dd3adc7719c9378b5eafeda4 100644
--- a/components/translate/core/common/translate_pref_names.cc
+++ b/chromecast/common/pref_names.h
@@ -2,11 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/translate/core/common/translate_pref_names.h"
+#ifndef CHROMECAST_COMMON_PREF_NAMES_H_
+#define CHROMECAST_COMMON_PREF_NAMES_H_
 
 namespace prefs {
 
-// Boolean that is true when the translate feature is enabled.
-const char kEnableTranslate[] = "translate.enabled";
+extern const char kRemoteDebuggingPort[];
 
 }  // namespace prefs
+
+#endif  // CHROMECAST_COMMON_PREF_NAMES_H_