Introducing the basic functionality to the speech input experimental API.

chrome/browser/extensions/speech_input/extension_speech_input_api_constants.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 "chrome/browser/extensions/speech_input/extension_speech_input_api_constants.h"
+
+namespace extension_speech_input_api_constants {
+
+const char kLanguageKey[] = "language";
+const char kGrammarKey[] = "grammar";
+const char kFilterProfanitiesKey[] = "filterProfanities";
+
+const char kErrorNoDevicesAvailable[] = "noDevicesAvailable";
+const char kErrorUnableToStart[] = "unableToStart";
+const char kErrorRequestDenied[] = "requestDenied";
+const char kErrorRequestInProgress[] = "requestInProgress";
+const char kErrorInvalidOperation[] = "invalidOperation";
+
+const char kErrorCodeKey[] = "code";
+const char kErrorCaptureError[] = "captureError";
+const char kErrorNetworkError[] = "networkError";
+const char kErrorNoSpeechHeard[] = "noSpeechHeard";
+const char kErrorNoResults[] = "noResults";
+
+const char kUtteranceKey[] = "utterance";
+const char kConfidenceKey[] = "confidence";
+const char kHypothesesKey[] = "hypotheses";
+
+const char kOnErrorEvent[] = "experimental.speechInput.onError";
+const char kOnResultEvent[] = "experimental.speechInput.onResult";
+const char kOnSoundStartEvent[] = "experimental.speechInput.onSoundStart";
+const char kOnSoundEndEvent[] = "experimental.speechInput.onSoundEnd";
+
+const char kDefaultLanguage[] = "en";
+const char kDefaultGrammar[] = "builtin:search";
+const bool kDefaultFilterProfanities = true;
+
+}  // namespace extension_speech_input_api_constants.