1 files changed, 0 insertions, 40 deletions
diff --git a/chrome/browser/extensions/extension_tts_api.h b/chrome/browser/extensions/extension_tts_api.h
index 73fc887..84fa384 100644
--- a/chrome/browser/extensions/extension_tts_api.h
+++ b/chrome/browser/extensions/extension_tts_api.h
@@ -8,46 +8,6 @@
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/extensions/extension_tts_api_util.h"
 
-// Abstract class that defines the native platform TTS interface.
-class ExtensionTtsPlatformImpl {
- public:
-  static ExtensionTtsPlatformImpl* GetInstance();
-
-  // Speak the given utterance with the given parameters if possible,
-  // and return true on success. Utterance will always be nonempty.
-  // If the user does not specify the other values, language and gender
-  // will be empty strings, and rate, pitch, and volume will be -1.0.
-  virtual bool Speak(
-      const std::string& utterance,
-      const std::string& language,
-      const std::string& gender,
-      double rate,
-      double pitch,
-      double volume) = 0;
-
-  // Stop speaking immediately and return true on success.
-  virtual bool StopSpeaking() = 0;
-
-  // Return true if the synthesis engine is currently speaking.
-  virtual bool IsSpeaking() = 0;
-
-  virtual std::string error() { return error_; }
-  virtual void clear_error() { error_ = std::string(); }
-  virtual void set_error(const std::string& error) { error_ = error; }
-
- protected:
-  ExtensionTtsPlatformImpl() {}
-  virtual ~ExtensionTtsPlatformImpl() {}
-
-  std::string error_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionTtsPlatformImpl);
-};
-
-//
-// Extension API function definitions
-//
-
 class ExtensionTtsSpeakFunction : public SyncExtensionFunction {
   ~ExtensionTtsSpeakFunction() {}
   virtual bool RunImpl();