Hotword Private API: Add support for retrieving localized strings.

chrome/browser/extensions/api/hotword_private/hotword_private_api.h

 // Copyright 2014 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 CHROME_BROWSER_EXTENSIONS_API_HOTWORD_PRIVATE_HOTWORD_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_HOTWORD_PRIVATE_HOTWORD_PRIVATE_API_H_
 
 #include "base/prefs/pref_change_registrar.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
@@ skipping 158 matching lines @@
   DECLARE_EXTENSION_FUNCTION("hotwordPrivate.stopTraining",
                              HOTWORDPRIVATE_STOPTRAINING)
 
  protected:
   ~HotwordPrivateStopTrainingFunction() override {}
 
   // ExtensionFunction:
   bool RunSync() override;
 };
 
+class HotwordPrivateGetLocalizedStringsFunction
+    : public ChromeSyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("hotwordPrivate.getLocalizedStrings",
+                             HOTWORDPRIVATE_GETLOCALIZEDSTRINGS)
+
+ protected:
+  virtual ~HotwordPrivateGetLocalizedStringsFunction() {}
+
+  // ExtensionFunction:
+  virtual bool RunSync() override;
+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_HOTWORD_PRIVATE_HOTWORD_PRIVATE_API_H_