Move base/values.h into the base namespace.

chrome/browser/extensions/extension_tts_engine_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_TTS_ENGINE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_TTS_ENGINE_API_H_
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/extensions/extension_function.h"
 
 class Extension;
 class Utterance;
 
+namespace base {
+class ListValue;
+}
+
 // Return a list of all available voices registered by extensions.
-void GetExtensionVoices(Profile* profile, ListValue* result_voices);
+void GetExtensionVoices(Profile* profile, base::ListValue* result_voices);
 
 // Find the first extension with a tts_voices in its
 // manifest that matches the speech parameters of this utterance.
 // If found, store a pointer to the extension in |matching_extension| and
 // the index of the voice within the extension in |voice_index| and
 // return true.
 bool GetMatchingExtensionVoice(Utterance* utterance,
                                const Extension** matching_extension,
                                size_t* voice_index);
 
@@ skipping 10 matching lines @@
 // Hidden/internal extension function used to allow TTS engine extensions
 // to send events back to the client that's calling tts.speak().
 class ExtensionTtsEngineSendTtsEventFunction : public SyncExtensionFunction {
  private:
   virtual ~ExtensionTtsEngineSendTtsEventFunction() {}
   virtual bool RunImpl() OVERRIDE;
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.ttsEngine.sendTtsEvent")
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TTS_ENGINE_API_H_